CVE-2026-66849

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.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited 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

0.37% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 30.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-10-14.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-10-14 14:35Z14 DAYS AGO

Last updated

2026-10-14 15:18Z14 DAYS AGO

Reserved

2026-08-13

Assigning CNA

Gitea

Record state

PUBLISHED

Severity

Medium (CVSS 4.3)

CNA CVSS vector

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

Weaknesses

• CWE-284Improper Access ControlPillar

Data version

5.2

Document digest

6b51395699b3626d543a4dbaa7c2c4e7cb5bec4c9568b11a6043c22437e525b2

• github.comGitHub Security Advisory GHSA-px3q-x2mm-55wghttps://github.com/go-gitea/gitea/security/advisories/GHSA-px3q-x2mm-55wgvendor-advisory
• blog.gitea.comGitea 1.27.3 release announcementhttps://blog.gitea.com/release-of-1.27.3/release-notes
• github.comFix: go-gitea/gitea pull request #39043https://github.com/go-gitea/gitea/pull/39043patch
• github.comFix: go-gitea/gitea pull request #39058https://github.com/go-gitea/gitea/pull/39058patch
• github.comgo-gitea/gitea v1.27.3 releasehttps://github.com/go-gitea/gitea/releases/tag/v1.27.3release-notes