170 lines
7.3 KiB
JSON
170 lines
7.3 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"dataVersion": "5.2",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2026-52811",
|
|
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "GitHub_M",
|
|
"dateReserved": "2026-06-08T18:11:06.659Z",
|
|
"datePublished": "2026-06-24T20:31:38.233Z",
|
|
"dateUpdated": "2026-11-03T22:13:27.848Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"title": "Gogs: UploadRepoFiles writes outside repo working tree via committed parent sym",
|
|
"problemTypes": [
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"cweId": "CWE-22",
|
|
"lang": "en",
|
|
"description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
|
|
"type": "CWE"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"cweId": "CWE-59",
|
|
"lang": "en",
|
|
"description": "CWE-59: Improper Link Resolution Before File Access ('Link Following')",
|
|
"type": "CWE"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"cweId": "CWE-61",
|
|
"lang": "en",
|
|
"description": "CWE-61: UNIX Symbolic Link (Symlink) Following",
|
|
"type": "CWE"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"metrics": [
|
|
{
|
|
"cvssV4_0": {
|
|
"attackVector": "NETWORK",
|
|
"attackComplexity": "LOW",
|
|
"attackRequirements": "PRESENT",
|
|
"privilegesRequired": "LOW",
|
|
"userInteraction": "NONE",
|
|
"vulnConfidentialityImpact": "HIGH",
|
|
"vulnIntegrityImpact": "HIGH",
|
|
"vulnAvailabilityImpact": "HIGH",
|
|
"subConfidentialityImpact": "HIGH",
|
|
"subIntegrityImpact": "HIGH",
|
|
"subAvailabilityImpact": "HIGH",
|
|
"baseScore": 9,
|
|
"baseSeverity": "CRITICAL",
|
|
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
|
|
"version": "4.0"
|
|
}
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"name": "https://github.com/gogs/gogs/security/advisories/GHSA-89mr-xqfv-758m",
|
|
"tags": [
|
|
"x_refsource_CONFIRM"
|
|
],
|
|
"url": "https://github.com/gogs/gogs/security/advisories/GHSA-89mr-xqfv-758m"
|
|
},
|
|
{
|
|
"name": "https://github.com/gogs/gogs/pull/8332",
|
|
"tags": [
|
|
"x_refsource_MISC"
|
|
],
|
|
"url": "https://github.com/gogs/gogs/pull/8332"
|
|
},
|
|
{
|
|
"name": "https://github.com/gogs/gogs/commit/04cb8afbb01d855454e59977a1cdbf522ea1db31",
|
|
"tags": [
|
|
"x_refsource_MISC"
|
|
],
|
|
"url": "https://github.com/gogs/gogs/commit/04cb8afbb01d855454e59977a1cdbf522ea1db31"
|
|
},
|
|
{
|
|
"name": "https://github.com/gogs/gogs/releases/tag/v0.14.3",
|
|
"tags": [
|
|
"x_refsource_MISC"
|
|
],
|
|
"url": "https://github.com/gogs/gogs/releases/tag/v0.14.3"
|
|
}
|
|
],
|
|
"affected": [
|
|
{
|
|
"vendor": "gogs",
|
|
"product": "gogs",
|
|
"versions": [
|
|
{
|
|
"version": "< 0.14.3",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"providerMetadata": {
|
|
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
|
|
"shortName": "GitHub_M",
|
|
"dateUpdated": "2026-06-24T20:31:38.233Z"
|
|
},
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "Gogs is an open source self-hosted Git service. Prior to 0.14.3, (*Repository).UploadRepoFiles checks for symlinks only on the leaf of the upload target (osx.IsSymlink(targetPath)). The siblings UpdateRepoFile, DeleteRepoFile, and GetDiffPreview use hasSymlinkInPath, which lstats every component — UploadRepoFiles is the lone outlier. An attacker with repo-write access plus a multipart upload whose filename contains a literal backslash (preserved by filepath.Base on Linux, then converted to / by pathx.Clean) redirects the write through a previously-committed directory symlink. iox.CopyFile opens the destination with os.Create (no O_NOFOLLOW), so the kernel follows the parent symlink and writes attacker bytes anywhere the gogs UID can write — ~git/.ssh/authorized_keys → SSH foothold, or <repo>.git/hooks/post-receive → next-push RCE. This vulnerability is fixed in 0.14.3."
|
|
}
|
|
],
|
|
"source": {
|
|
"advisory": "GHSA-89mr-xqfv-758m",
|
|
"discovery": "UNKNOWN"
|
|
}
|
|
},
|
|
"adp": [
|
|
{
|
|
"metrics": [
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"id": "CVE-2026-52811",
|
|
"role": "CISA Coordinator",
|
|
"options": [
|
|
{
|
|
"Exploitation": "none"
|
|
},
|
|
{
|
|
"Automatable": "no"
|
|
},
|
|
{
|
|
"Technical Impact": "total"
|
|
}
|
|
],
|
|
"version": "2.0.3",
|
|
"timestamp": "2026-06-26T03:55:40.649803Z"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://github.com/gogs/gogs/security/advisories/GHSA-89mr-xqfv-758m",
|
|
"tags": [
|
|
"exploit"
|
|
]
|
|
}
|
|
],
|
|
"title": "CISA ADP Vulnrichment",
|
|
"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
|
|
"dateUpdated": "2026-11-03T22:13:27.848Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |