263 lines
11 KiB
JSON
263 lines
11 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-82049",
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"assignerOrgId": "28c92f92-d60d-412d-b760-e73465c3df22",
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"state": "PUBLISHED",
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"assignerShortName": "PSF",
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"dateReserved": "2026-08-27T22:23:05.514Z",
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"datePublished": "2026-09-14T19:14:03.873Z",
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"dateUpdated": "2026-10-11T00:39:42.376Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"defaultStatus": "unaffected",
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"modules": [
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"tarfile"
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],
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"product": "CPython",
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"repo": "https://github.com/python/cpython",
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"vendor": "Python Software Foundation",
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"versions": [
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{
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"version": "0",
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"lessThan": "3.10.22",
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"status": "affected",
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"versionType": "python"
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},
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{
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"version": "3.11.0",
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"lessThan": "3.11.17",
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"status": "affected",
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"versionType": "python"
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},
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{
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"version": "3.12.0",
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"lessThan": "3.12.15",
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"status": "affected",
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"versionType": "python"
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},
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{
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"version": "3.13.0",
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"lessThan": "3.13.16",
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"status": "affected",
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"versionType": "python"
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},
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{
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"version": "3.14.0a1",
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"lessThan": "3.14.0b1",
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"status": "affected",
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"versionType": "python"
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}
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]
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}
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],
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"credits": [
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{
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"lang": "en",
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"type": "reporter",
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"value": "Jing Qian (https://github.com/Civitasmass)"
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},
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{
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"lang": "en",
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"type": "coordinator",
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"value": "Stan Ulbrych (https://github.com/StanFromIreland)"
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},
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{
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"lang": "en",
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"type": "remediation reviewer",
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"value": "Petr Viktorin (https://github.com/encukou)"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"type": "text/html",
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"value": "In CPython 3.13 and earlier, the <span>tarfile</span> module's <span>data</span> and <span>tar</span> extraction filters are vulnerable to crafted archives containing a hard link to a symbolic link. Such archives may cause extraction to modify the permissions or modification time of a file outside the destination directory, or expose the contents of that file within the extracted tree."
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}
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],
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"value": "In CPython 3.13 and earlier, the tarfile module's data and tar extraction filters are vulnerable to crafted archives containing a hard link to a symbolic link. Such archives may cause extraction to modify the permissions or modification time of a file outside the destination directory, or expose the contents of that file within the extracted tree."
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}
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],
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"metrics": [
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{
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"cvssV4_0": {
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"attackVector": "LOCAL",
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"baseScore": 8.4,
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"baseSeverity": "HIGH",
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"exploitMaturity": "NOT_DEFINED",
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"privilegesRequired": "NONE",
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"providerUrgency": "NOT_DEFINED",
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"subAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"userInteraction": "PASSIVE",
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"valueDensity": "NOT_DEFINED",
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"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
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"version": "4.0",
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"vulnAvailabilityImpact": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "HIGH",
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"vulnerabilityResponseEffort": "NOT_DEFINED"
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},
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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]
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-59",
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"description": "CWE-59",
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"lang": "en",
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"type": "CWE"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "28c92f92-d60d-412d-b760-e73465c3df22",
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"shortName": "PSF",
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"dateUpdated": "2026-10-11T00:39:42.376Z"
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},
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"references": [
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/python/cpython/commit/5a57248b22ad3b9aafcaaadae2c304a1923daeca"
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},
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{
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"tags": [
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"issue-tracking"
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],
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"url": "https://github.com/python/cpython/issues/157190"
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},
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/python/cpython/pull/157191"
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},
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{
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"tags": [
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"vendor-advisory"
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],
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"url": "https://mail.python.org/archives/list/security-announce@python.org/thread/EFJWGAZJA56AKSBR2WHMHQZO7RRLZPRH/"
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},
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/python/cpython/commit/b38be2e6cf9d989075ab73412c63e003ebad4ff3"
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},
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/python/cpython/commit/b8f23e307097552eaea2604383a12ab280520d0d"
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},
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/python/cpython/commit/197663d63afed27f66e10e23c194e8a634e60913"
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},
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/python/cpython/commit/28f315486b3da0352b9a1de1c3c97f4127ba4771"
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},
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/python/cpython/commit/c66df4e70435d257fd488b35ea129c6f317433a8"
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},
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/python/cpython/commit/cc1689830c6b9aaddded2fb9f2fe8116867e2c0e"
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},
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/python/cpython/commit/cccc7ec30212dba2abef53ce4a2bed112ddb690c"
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}
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],
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"source": {
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"discovery": "UNKNOWN"
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},
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"title": "tarfile extraction filters allow file modification and content disclosure via hard link to symlink",
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"x_generator": {
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"engine": "cvelib 1.8.0"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-09-15T00:00:00+00:00",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3",
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"id": "CVE-2026-82049"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-09-16T03:56:12.084Z"
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}
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},
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{
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"title": "CVE Program Container",
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"references": [
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{
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"url": "http://www.openwall.com/lists/oss-security/2026/09/14/27"
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}
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],
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2026-09-14T20:07:50.158Z"
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}
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}
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]
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}
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} |