CVE-2026-27657: Authorization Bypass Through User-Controlled Key in Gitea Gitea Open Source Git Server
Gitea versions prior to 1.25.5 contain a vulnerability that allows a user to change another user's primary email address without proper authorization. This issue represents an authorization bypass flaw in the Gitea Open Source Git Server. No official patch or remediation guidance has been provided yet.
AI Analysis
Technical Summary
CVE-2026-27657 is an authorization bypass vulnerability in Gitea Open Source Git Server versions before 1.25.5. It allows an attacker to change the primary email address of another user, potentially impacting account integrity and user identity management. The vulnerability arises from insufficient access control on user-controlled keys related to email address modification. No CVSS score or detailed vendor advisory is available, and no patch status is confirmed.
Potential Impact
An attacker exploiting this vulnerability can alter another user's primary email address, which may lead to account takeover risks or disruption of user communications. The exact impact depends on how the email address is used for authentication or notifications within the affected Gitea instance. There is no evidence of known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, administrators should monitor for suspicious activity related to user email changes and consider restricting access to trusted users only.
CVE-2026-27657: Authorization Bypass Through User-Controlled Key in Gitea Gitea Open Source Git Server
Description
Gitea versions prior to 1.25.5 contain a vulnerability that allows a user to change another user's primary email address without proper authorization. This issue represents an authorization bypass flaw in the Gitea Open Source Git Server. No official patch or remediation guidance has been provided yet.
Affected software
pkg:golang/github.com/go-gitea/giteaRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-27657 is an authorization bypass vulnerability in Gitea Open Source Git Server versions before 1.25.5. It allows an attacker to change the primary email address of another user, potentially impacting account integrity and user identity management. The vulnerability arises from insufficient access control on user-controlled keys related to email address modification. No CVSS score or detailed vendor advisory is available, and no patch status is confirmed.
Potential Impact
An attacker exploiting this vulnerability can alter another user's primary email address, which may lead to account takeover risks or disruption of user communications. The exact impact depends on how the email address is used for authentication or notifications within the affected Gitea instance. There is no evidence of known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, administrators should monitor for suspicious activity related to user email changes and consider restricting access to trusted users only.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Gitea
- Date Reserved
- 2026-02-22T15:13:33.716Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a4820fe27e9c79719acc05f
Added to database: 07/03/2026, 20:52:14 UTC
Last enriched: 07/03/2026, 21:02:01 UTC
Last updated: 07/03/2026, 22:52:47 UTC
Views: 2
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