CVE-2026-101023

Gitea's OAuth2 token endpoint verified the signature and grant of a token submitted with the `refresh_token` grant type, but not that the token was a refresh token. An unexpired access token for the same OAuth2 application and grant could be exchanged for a new access token and refresh token. Whoever holds such an access token could keep access beyond the token's original lifetime.

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://blog.gitea.com/release-of-28.1.0/	Release Notes
https://github.com/go-gitea/gitea/pull/39501	Patch
https://github.com/go-gitea/gitea/pull/39507	Patch
https://github.com/go-gitea/gitea/releases/tag/v28.1.0	Release Notes
https://github.com/go-gitea/gitea/security/advisories/GHSA-469m-x4mw-38r3	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*

History

13 Oct 2026, 14:39

Type	Values Removed	Values Added
First Time		Gitea gitea Gitea
CPE		cpe:2.3:a:gitea:gitea::::::::
References	~~() https://blog.gitea.com/release-of-28.1.0/ -~~	() https://blog.gitea.com/release-of-28.1.0/ - Release Notes
References	~~() https://github.com/go-gitea/gitea/pull/39501 -~~	() https://github.com/go-gitea/gitea/pull/39501 - Patch
References	~~() https://github.com/go-gitea/gitea/pull/39507 -~~	() https://github.com/go-gitea/gitea/pull/39507 - Patch
References	~~() https://github.com/go-gitea/gitea/releases/tag/v28.1.0 -~~	() https://github.com/go-gitea/gitea/releases/tag/v28.1.0 - Release Notes
References	~~() https://github.com/go-gitea/gitea/security/advisories/GHSA-469m-x4mw-38r3 -~~	() https://github.com/go-gitea/gitea/security/advisories/GHSA-469m-x4mw-38r3 - Vendor Advisory

07 Oct 2026, 21:17

Type	Values Removed	Values Added
CWE		CWE-287
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.1

06 Oct 2026, 22:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-06 22:16

Updated : 2026-10-13 14:39

NVD link : CVE-2026-101023

Mitre link : CVE-2026-101023

CVE.ORG link : CVE-2026-101023

JSON object : View

Products Affected

gitea

gitea

CWE

CWE-287

Improper Authentication

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