Gogs: Open Redirect via redirect_to in Gogs

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Summary

CVECVE-2026-52802
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-24 21:16:56 UTC
Updated2026-06-25 17:16:40 UTC
DescriptionGogs is an open source self-hosted Git service. Prior to 0.14.3, an open redirect vulnerability exists in Gogs where attacker-controlled redirect_to parameters can bypass validation, allowing redirection to arbitrary external sites. All redirects in Gogs that are validated via the IsSameSite function are vulnerable. The function only inspects the first two characters of the URL string. This check fails to account for directory traversal sequences followed by backslashes. This vulnerability is fixed in 0.14.3.

Risk And Classification

Primary CVSS: v3.1 5.4 MEDIUM from [email protected]

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

EPSS: 0.005540000 probability, percentile 0.420090000 (date 2026-06-25)

Problem Types: CWE-601 | CWE-601 CWE-601: URL Redirection to Untrusted Site ('Open Redirect')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
3.1CNADECLARED5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Gogs Gogs affected < 0.14.3 Not specified

References

ReferenceSourceLinkTags
github.com/gogs/gogs/commit/c5da9631dc75f692f313373ae229c4d47ba6517f [email protected] github.com
github.com/gogs/gogs/releases/tag/v0.14.3 [email protected] github.com
github.com/gogs/gogs/pull/8322 [email protected] github.com
github.com/gogs/gogs/security/advisories/GHSA-xxhq-69mf-w8cr 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
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