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vuln-cve/data/2026/103xxx/CVE-2026-103670.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-103670",
"assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2",
"state": "PUBLISHED",
"assignerShortName": "Gitea",
"dateReserved": "2026-10-04T21:57:35.576Z",
"datePublished": "2026-10-06T19:23:40.050Z",
"dateUpdated": "2026-10-07T15:58:09.298Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2",
"shortName": "Gitea",
"dateUpdated": "2026-10-06T19:23:40.050Z"
},
"title": "Gitea trusted workflow cancellation by unapproved fork runs",
"descriptions": [
{
"lang": "en",
"value": "When a Gitea Actions run was inserted, older runs in the same workflow-level concurrency group were cancelled without checking whether the new run still needed approval. Because fork pull request runs are inserted under the base repository, a user who can open a pull request from a fork could cancel trusted in-progress runs that share a concurrency group with `cancel-in-progress` enabled, without approval and without running any code. On self-hosted runners this can interrupt deployments and leave partial state behind."
}
],
"affected": [
{
"vendor": "Gitea",
"product": "Gitea",
"packageName": "gitea.dev",
"defaultStatus": "unaffected",
"versions": [
{
"version": "0",
"status": "affected",
"lessThanOrEqual": "1.27.3",
"versionType": "semver"
}
]
}
],
"references": [
{
"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-4j4g-m7mr-hp5j",
"name": "GitHub Security Advisory GHSA-4j4g-m7mr-hp5j",
"tags": [
"vendor-advisory"
]
},
{
"url": "https://github.com/go-gitea/gitea/pull/39399",
"name": "Fix: go-gitea/gitea pull request #39399",
"tags": [
"patch"
]
},
{
"url": "https://blog.gitea.com/release-of-28.0.0/",
"name": "Gitea 28.0.0 release announcement",
"tags": [
"release-notes"
]
},
{
"url": "https://github.com/go-gitea/gitea/releases/tag/v28.0.0",
"name": "go-gitea/gitea v28.0.0 release",
"tags": [
"release-notes"
]
}
],
"credits": [
{
"lang": "en",
"value": "https://github.com/Pedromdsn",
"type": "reporter"
},
{
"lang": "en",
"value": "https://github.com/bircni",
"type": "remediation developer"
},
{
"lang": "en",
"value": "https://github.com/silverwind",
"type": "remediation developer"
}
]
},
"adp": [
{
"problemTypes": [
{
"descriptions": [
{
"type": "CWE",
"cweId": "CWE-667",
"lang": "en",
"description": "CWE-667 Improper Locking"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
}
},
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-10-07T15:55:33.888984Z",
"id": "CVE-2026-103670",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-10-07T15:58:09.298Z"
}
}
]
}
}