CVE-2026-25779: CWE-601 in Gitea Gitea Open Source Git Server
Gitea versions up to and including 1.25.4 allow redirect bypasses through raw or percent-encoded backslashes in redirect_to values.
AI Analysis
Technical Summary
CVE-2026-25779 is an open redirect vulnerability in Gitea versions up to 1.25.4. The flaw allows attackers to bypass redirect restrictions by using raw or percent-encoded backslashes in the redirect_to parameter, potentially redirecting users to unintended external sites. This can lead to limited confidentiality and integrity impacts as indicated by the CVSS vector (C:L/I:L/A:N).
Potential Impact
Successful exploitation could allow an attacker to redirect users to arbitrary external URLs, potentially facilitating phishing or other social engineering attacks. The confidentiality and integrity of user interactions may be partially compromised, but availability is not affected.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch link is provided, users should monitor Gitea's official channels for updates. Until a fix is available, avoid using untrusted redirect_to parameter values or implement custom validation to block backslash characters in redirects.
CVE-2026-25779: CWE-601 in Gitea Gitea Open Source Git Server
Description
Gitea versions up to and including 1.25.4 allow redirect bypasses through raw or percent-encoded backslashes in redirect_to values.
CVSS v3.1
Score 6.1medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-25779 is an open redirect vulnerability in Gitea versions up to 1.25.4. The flaw allows attackers to bypass redirect restrictions by using raw or percent-encoded backslashes in the redirect_to parameter, potentially redirecting users to unintended external sites. This can lead to limited confidentiality and integrity impacts as indicated by the CVSS vector (C:L/I:L/A:N).
Potential Impact
Successful exploitation could allow an attacker to redirect users to arbitrary external URLs, potentially facilitating phishing or other social engineering attacks. The confidentiality and integrity of user interactions may be partially compromised, but availability is not affected.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch link is provided, users should monitor Gitea's official channels for updates. Until a fix is available, avoid using untrusted redirect_to parameter values or implement custom validation to block backslash characters in redirects.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Gitea
- Date Reserved
- 2026-02-22T15:13:33.665Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a4820fc27e9c79719acbf83
Added to database: 07/03/2026, 20:52:12 UTC
Last enriched: 07/12/2026, 08:38:25 UTC
Last updated: 08/16/2026, 12:41:08 UTC
Views: 52
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