133 lines
6.1 KiB
JSON
133 lines
6.1 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-2026-48737",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-05-22T19:10:35.746Z",
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"datePublished": "2026-09-15T14:40:27.340Z",
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"dateUpdated": "2026-09-16T16:04:53.088Z"
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},
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"containers": {
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"cna": {
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"title": "pyLoad: SSRF guard bypass via IPv6 6to4/NAT64 transition wrappers of internal IPs",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-918",
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"lang": "en",
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"description": "CWE-918: Server-Side Request Forgery (SSRF)",
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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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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "HIGH",
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"attackVector": "NETWORK",
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"availabilityImpact": "LOW",
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"baseScore": 4.9,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "LOW",
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"integrityImpact": "NONE",
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"privilegesRequired": "LOW",
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"scope": "CHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:L",
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"version": "3.1"
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}
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}
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],
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"references": [
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{
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"name": "https://github.com/pyload/pyload/security/advisories/GHSA-m5x5-28jr-gpjj",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/pyload/pyload/security/advisories/GHSA-m5x5-28jr-gpjj"
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},
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{
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"name": "https://github.com/pyload/pyload/commit/ba7491046b2d430732be490913e4cbf1f1e899c2",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/pyload/pyload/commit/ba7491046b2d430732be490913e4cbf1f1e899c2"
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}
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],
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"affected": [
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{
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"vendor": "pyload",
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"product": "pyload",
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"versions": [
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{
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"version": "< 0.5.0b3.dev101",
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"status": "affected"
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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": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-09-15T14:40:27.340Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev101, is_global_address in src/pyload/core/utils/web/check.py relies on Python's global-address classification without examining IPv4 destinations embedded in 6to4 or NAT64 IPv6 addresses. A low-privileged user can submit an IPv6 literal through parse_urls to the pre-resolution is_global_host guard. Because host_to_ip is pinned to AF_INET, that guard does not evaluate a hostname's AAAA result. Separately, curl resolves hostnames before the pycurl PREREQFUNC in src/pyload/core/network/http/http_request.py applies the same vulnerable is_global_address check to the actual connection address, so a transition-form AAAA result can be permitted even when it terminates at an embedded loopback, private, CGNAT, or link-local IPv4 address. Exploitation requires the pyLoad host to route the applicable transition mechanism, including 6to4 on affected Python 3.9 through 3.11 deployments or NAT64 on a network with a NAT64 gateway. Successful exploitation can enable internal-network reconnaissance, timing-based confirmation, limited service disruption, or cloud metadata disclosure where the wrapped address is routable. This issue is fixed in version 0.5.0b3.dev101."
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}
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],
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"source": {
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"advisory": "GHSA-m5x5-28jr-gpjj",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/pyload/pyload/security/advisories/GHSA-m5x5-28jr-gpjj",
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"tags": [
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"exploit"
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]
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}
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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": "2026-09-16T16:04:41.559990Z",
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"id": "CVE-2026-48737",
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"options": [
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{
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"Exploitation": "poc"
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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": "partial"
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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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"shortName": "CISA-ADP",
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"dateUpdated": "2026-09-16T16:04:53.088Z"
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}
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}
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]
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}
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} |