CVE-2026-20912

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.42% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 35.0% of scored records. A rank, not a probability.

NVD base score

9.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-07-15.

Red Hat severity

Critical. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-01-22 22:01Z7 MO AGO

Last updated

2026-07-15 01:20Z1 MO AGO

Reserved

2026-01-08

Assigning CNA

Gitea

Record state

PUBLISHED

Severity

Critical (CVSS 9.1)

CNA CVSS vector

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

Weaknesses

• CWE-284Improper Access ControlPillar
• CWE-639Authorization Bypass Through User-Controlled KeyBase
• CWE-283Unverified OwnershipBase

Data version

5.2

Document digest

9ddfbc091abb264e1e201ba2e763e758534bc70c120bf095c5ca14230f1804fb

• github.comGitHub Security Advisoryhttps://github.com/go-gitea/gitea/security/advisories/GHSA-vfmv-f93v-37mwvendor-advisory
• github.comGitHub Pull Request #36320https://github.com/go-gitea/gitea/pull/36320patch
• github.comGitHub Pull Request #36355https://github.com/go-gitea/gitea/pull/36355patch
• github.comGitea v1.25.4 Releasehttps://github.com/go-gitea/gitea/releases/tag/v1.25.4release-notes
• blog.gitea.comGitea v1.25.4 Release Blog Posthttps://blog.gitea.com/release-of-1.25.4/release-notes
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-20912vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2432219https://bugzilla.redhat.com/show_bug.cgi?id=2432219issue-trackingx_refsource_REDHAT
• security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20912.jsonx_sadp-csaf-vex