Vulnerability · Published Oct 14, 2026 · Assigned by Gitea

CVE-2026-60008Gitea Jupyter notebook UI redress through CSS class injection

Low 3.5

In plain English

A low-severity cross-site scripting in Gitea from Gitea. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 3.1)3.5Low

Exploit odds (30 days)0.4%top 68.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Gitea's Jupyter notebook renderer inserts the notebook's language_info.name metadata into a CSS class attribute while disabling sanitization and rendering directly in the main document without an iframe sandbox. A malicious repository notebook can supply multiple CSS classes that create a viewport-covering overlay and intercept clicks when another user views it. The reported impact is UI redress; script execution was not demonstrated.

Affected products (as reported)

Vendor	Product	Versions
Gitea	Gitea	1.27.0 – through 1.27.1

Weakness: CWE-79, CWE-1021 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

References

GitHub Security Advisory GHSA-7452-653r-6gp8 vendor-advisory
Fix: go-gitea/gitea pull request #38793 patch
Gitea 1.27.2 release announcement release-notes
Fix: go-gitea/gitea pull request #38795 patch
go-gitea/gitea v1.27.2 release release-notes