CVE-2026-22874
Gitea versions up to and including 1.26.2 have incomplete SSRF protection in webhook and migration allow-list filtering.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
- Puntuación base: 9.6
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.46%
- Percentil entre todas las CVEs puntuadas: 38
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1210Exploitation of Remote Serviceslateral movement85 % - Impacto principal
T1090Proxycommand and control90 % - Impacto secundario
T1005Data from Local Systemcollection75 %
AV:N + PR:L indica explotación de servicio remoto (T1210). CWE-918 (SSRF) permite eludir filtros de protección y acceder a recursos internos (T1090), potencialmente leyendo datos sensibles (T1005).
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-918
Referencias
- https://blog.gitea.com/release-of-1.26.3-and-1.26.4/
- https://github.com/go-gitea/gitea/pull/38059
- https://github.com/go-gitea/gitea/pull/38173
- https://github.com/go-gitea/gitea/releases/tag/v1.26.3
- https://github.com/go-gitea/gitea/security/advisories/GHSA-2r5c-gw76-rh3w
- https://github.com/go-gitea/gitea/security/advisories/GHSA-2r5c-gw76-rh3w
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-22874",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-22874",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-07-07T15:44:30.434147Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 9.6,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.8,
"exploitabilityScore": 3.1
}
]
},
"affected": [
{
"source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
"affectedData": [
{
"vendor": "Gitea",
"product": "Gitea Open Source Git Server",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "1.26.2"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-07-03T21:16:57.157",
"references": [
{
"url": "https://blog.gitea.com/release-of-1.26.3-and-1.26.4/",
"source": "88ee5874-cf24-4952-aea0-31affedb7ff2"
},
{
"url": "https://github.com/go-gitea/gitea/pull/38059",
"source": "88ee5874-cf24-4952-aea0-31affedb7ff2"
},
{
"url": "https://github.com/go-gitea/gitea/pull/38173",
"source": "88ee5874-cf24-4952-aea0-31affedb7ff2"
},
{
"url": "https://github.com/go-gitea/gitea/releases/tag/v1.26.3",
"source": "88ee5874-cf24-4952-aea0-31affedb7ff2"
},
{
"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-2r5c-gw76-rh3w",
"source": "88ee5874-cf24-4952-aea0-31affedb7ff2"
},
{
"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-2r5c-gw76-rh3w",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
"description": [
{
"lang": "en",
"value": "CWE-918"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Gitea versions up to and including 1.26.2 have incomplete SSRF protection in webhook and migration allow-list filtering."
}
],
"lastModified": "2026-07-07T18:16:35.747",
"sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2"
}