Vulnerability Intelligence Report
Gitea pre-receive hook can miss branch-protection checks after scanner errors
CVE-2026-27780
Gitea versions before 1.26.0 do not fail closed on bufio.Scanner errors while processing pre-receive hook input, allowing oversized input to bypass branch-protection checks.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:0.47%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
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Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-863 ↗Incorrect Authorization
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Gitea | Gitea Open Source Git Server | 0 < 1.26.0 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.472%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Gitea Limited · Open Source · China |
| Reserved | 2026-03-03T03:25:28 |
| Published | 2026-07-03T20:19:37 |
| Last Updated | 2026-07-06T15:20:06 |
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