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CVE-2026-28737

36
FAUCET Score

Gitea versions from 1.25.0 before 1.26.0 allow stored cross-site scripting through the extensionsRequired field in glTF files rendered by the 3D file viewer.

First published: Jul 3, 2026Last modified: Jul 3, 2026

Impacted Technologies

VendorProductVersion(s)CPE
GiteaGitea Open Source Git Server
>= 1.25.0, < 1.26.0CNA affecteddefault unaffected

CVSS Data

CVSS version used by this source: 3.1

8.7HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
5.8
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.34%
Probability of exploitation in next 30 days
EPSS Percentile
26.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0034 is in the 33rd percentile among its peer group of 890 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

gopatch availablevia ghsa
Product: code.gitea.io/giteaFixed in: 1.26.0

Vendor Advisories (1)

goGHSA-9cpj-qc93-vw8vhigh

Gitea: Stored XSS via glTF `extensionsRequired` in Gitea 3D File Viewer

Jun 17, 2026

References

blog.gitea.com / release-of-1.26.0
github.com / go-gitea/gitea/pull/37233
github.com / go-gitea/gitea/releases/tag/v1.26.0
github.com / go-gitea/gitea/security/advisories/GHSA-9cpj-qc93-vw8v