159 lines
6.7 KiB
JSON
159 lines
6.7 KiB
JSON
{
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"cveMetadata": {
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"cveId": "CVE-2026-90616",
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"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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"state": "PUBLISHED",
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"assignerShortName": "mitre",
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"dateReserved": "2026-09-12T20:00:58.046Z",
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"datePublished": "2026-09-12T20:00:58.476Z",
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"dateUpdated": "2026-09-14T18:22:31.917Z"
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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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"platforms": [
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"Linux"
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],
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"product": "Flatpak",
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"repo": "https://github.com/flatpak/flatpak",
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"vendor": "Flatpak",
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"versions": [
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{
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"lessThan": "1.18.1",
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"status": "affected",
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"version": "0",
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"versionType": "semver"
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}
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]
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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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"value": "In Flatpak before 1.18.1, a malicious sandboxed app can obtain arbitrary read and write access to files on the host, which can be escalated to arbitrary code execution on the host, a different vulnerability than CVE-2026-76925. Flatpak creates a few app data directories (e.g., /var/cache, /var/data, /var/config, and /var/tmp) in every sandbox on every app launch where, in some cases, components of the path are attacker-controlled. Missing symlink protection can redirect the directories. Some of these directories are bind-mounted by Flatpak by passing the path (e.g., /home/user/.var/app/APP_ID/cache/tmp), which contains attacker-controlled directories (tmp) to bwrap --bind SRC DST. bwrap passes the path on to the kernel, which then follows symlinks. A malicious symlink can point to arbitrary locations on the host and it will become mounted inside the sandbox."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "HIGH",
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"attackVector": "LOCAL",
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"availabilityImpact": "HIGH",
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"baseScore": 7.4,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"version": "3.1"
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},
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"format": "CVSS",
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"scenarios": [
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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-61",
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"description": "CWE-61 UNIX Symbolic Link (Symlink) Following",
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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": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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"shortName": "mitre",
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"dateUpdated": "2026-09-12T20:00:58.476Z"
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},
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"references": [
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{
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"url": "https://github.com/flatpak/flatpak/security/advisories/GHSA-8688-9x26-hhxj"
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},
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{
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"url": "https://www.openwall.com/lists/oss-security/2026/08/11/9"
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}
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],
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"solutions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https://github.com/flatpak/flatpak/commit/478072972056d2d15c768c246f80abdf83cf0e5e\">https://github.com/flatpak/flatpak/commit/478072972056d2d15c768c246f80abdf83cf0e5e</a><br>"
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}
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],
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"value": "https://github.com/flatpak/flatpak/commit/478072972056d2d15c768c246f80abdf83cf0e5e"
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}
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],
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"x_generator": {
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"engine": "CVE-Request-form 0.0.1"
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},
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"cpeApplicability": [
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"nodes": [
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"operator": "OR",
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"criteria": "cpe:2.3:a:flatpak:flatpak:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "1.18.1"
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}
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]
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}
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]
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}
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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": "2026-09-14T18:22:12.062132Z",
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"id": "CVE-2026-90616",
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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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}
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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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"dateUpdated": "2026-09-14T18:22:31.917Z"
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} |