CVE-2026-28740: gitea gitea open source git server
CVSS: 7.1v3.1HighDeferred
AliasesGHSA-2m9v-5q2g-58vqGO-2026-6029
Published 03-07-2026Last modified 07-07-2026
Vulnerability summary
CVE-2026-28740 is a high (CVSS 7.1) vulnerability in gitea gitea open source git server. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 23.8% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v3.1 (CVE.org)EPSS score
0.32%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 03-07-2026PublishedVulnerability first disclosed.
- 07-07-2026Last modifiedVulnerability information updated.
Description
Gitea versions up to and including 1.26.2 allow Git LFS object reuse to authorize private source objects for users who have repository access but lack Code-unit access.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:NSourcesAll 3 agree
- OSV · GoEcosystem advisory · calculated7.1HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
- NVDNIST7.1HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
EPSS trend
Probability
0.32%
Chance of exploitation in the next 30 days
Percentile
24%
Versus all other CVEs
30-day change
0.00 pp
From 0.32% on 20-09-2026
20-09-202620-10-2026
EPSS score0.32%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-639Authorization Bypass Through User-Controlled KeyThe system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
- CWE-863Incorrect AuthorizationThe product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
Affected systems
Code.gitea.io1 product
- gitea< 1.26.3
Gitea1 product
- gitea open source git server≤ 1.26.2
Go1 product
- gitea.dev< 1.26.3
3 vendors · 3 products
References
9 links- blog.gitea.com/release-of-1.26.3-and-1.26.4/Release Notes
- github.com/go-gitea/giteaPACKAGE