CVE-2026-25779

Gitea versions up to and including 1.25.4 allow redirect bypasses through raw or percent-encoded backslashes in redirect_to values.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://blog.gitea.com/release-of-1.25.5/
https://github.com/go-gitea/gitea/pull/36660
https://github.com/go-gitea/gitea/pull/36716
https://github.com/go-gitea/gitea/releases/tag/v1.25.5
https://github.com/go-gitea/gitea/security/advisories/GHSA-j5r2-4c8j-xc3m
https://github.com/go-gitea/gitea/security/advisories/GHSA-j5r2-4c8j-xc3m

Configurations

No configuration.

History

07 Jul 2026, 18:16

Type	Values Removed	Values Added
References	~~() https://github.com/go-gitea/gitea/security/advisories/GHSA-j5r2-4c8j-xc3m -~~	() https://github.com/go-gitea/gitea/security/advisories/GHSA-j5r2-4c8j-xc3m -
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.1

03 Jul 2026, 21:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-03 21:16

Updated : 2026-07-07 18:16

NVD link : CVE-2026-25779

Mitre link : CVE-2026-25779

CVE.ORG link : CVE-2026-25779

JSON object : View

Products Affected

No product.

CWE

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

{"id": "CVE-2026-25779", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-25779", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-07T16:16:40.833772Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}]}, "affected": [{"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "affectedData": [{"vendor": "Gitea", "product": "Gitea Open Source Git Server", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "1.25.4"}], "defaultStatus": "unaffected"}]}], "published": "2026-07-03T21:16:57.923", "references": [{"url": "https://blog.gitea.com/release-of-1.25.5/", "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}, {"url": "https://github.com/go-gitea/gitea/pull/36660", "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}, {"url": "https://github.com/go-gitea/gitea/pull/36716", "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}, {"url": "https://github.com/go-gitea/gitea/releases/tag/v1.25.5", "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}, {"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-j5r2-4c8j-xc3m", "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}, {"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-j5r2-4c8j-xc3m", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "description": [{"lang": "en", "value": "CWE-601"}]}], "descriptions": [{"lang": "en", "value": "Gitea versions up to and including 1.25.4 allow redirect bypasses through raw or percent-encoded backslashes in redirect_to values."}], "lastModified": "2026-07-07T18:16:36.797", "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2"}