Gogs: RCE via git rebase --exec argument injection in pull request merge

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Summary

CVECVE-2026-52806
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-24 21:16:56 UTC
Updated2026-06-26 05:16:29 UTC
DescriptionGogs is an open source self-hosted Git service. Prior to 0.14.3, Gogs allows authenticated users to achieve Remote Code Execution (RCE) on the server by creating a pull request with a specially crafted branch name that injects the --exec flag into the git rebase command during the "Rebase before merging" merge operation. This vulnerability is fixed in 0.14.3.

Risk And Classification

Primary CVSS: v3.1 9.9 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS: 0.010290000 probability, percentile 0.593670000 (date 2026-06-27)

Problem Types: CWE-77 | CWE-77 CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.9CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
3.1CNADECLARED9.9CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Gogs Gogs affected < 0.14.3 Not specified

References

ReferenceSourceLinkTags
github.com/gogs/gogs/pull/8301 [email protected] github.com
github.com/gogs/gogs/security/advisories/GHSA-qf6p-p7ww-cwr9 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
github.com/gogs/gogs/releases/tag/v0.14.3 [email protected] github.com
github.com/gogs/gogs/commit/a9dbafbfd8e1020bacc626420238c01d75d03364 [email protected] github.com
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