CVE-2026-28699
What it is
Gitea versions up to and including 1.26.1 allow OAuth2 access token scope enforcement to be bypassed through HTTP Basic authentication.
At a glance
- Exploitability
- Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering.
- Exploit odds
- 0.6% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Details
- Published
- Last modified
- Exploit probability
- 0.6% · EPSS, next 30 days
- Weakness
- CWE-284 · Improper access control
- Record status
- Deferred
Attack profile CVSS 3.1 · 8.1
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Fix and advisories
- https://github.com/go-gitea/gitea/pull/37503
- https://github.com/go-gitea/gitea/releases/tag/v1.26.2
- https://github.com/go-gitea/gitea/security/advisories/GHSA-9r5x-wg6m-x2rc
- https://github.com/go-gitea/gitea/security/advisories/GHSA-9r5x-wg6m-x2rc