CVE-2026-56750: gitea gitea open source git server Improper Access Control
CVSS: 9.1v3.1CriticalDeferred
AliasesGHSA-rgv6-xp99-6mgjGO-2026-6072
Published 13-08-2026Last modified 14-08-2026
Vulnerability summary
CVE-2026-56750 is a critical (CVSS 9.1) Improper Access Control vulnerability in gitea gitea open source git server. EPSS estimates a 0.48% chance of exploitation in the next 30 days, higher than 40% of scored vulnerabilities.
CVSS score
9.1/10
010
Critical · v3.1 (CVE.org)EPSS score
0.48%
0%100%
Low · +0.14 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 3Timeline
- 13-08-2026PublishedVulnerability first disclosed.
- 14-08-2026Last modifiedVulnerability information updated.
Description
Gitea Remember-Me Token Theft Not Invalidating Attacker Session
CVSS metrics
3 scores · 3 sources · 2 versionsCritical 9.1Preferred score · OSV · Go (Ecosystem advisory) · calculated from vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:NSourcesSingle source
Critical 9.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NSourcesAll 2 agree
- NVDNIST9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS trend
Probability
0.48%
Chance of exploitation in the next 30 days
Percentile
40%
Versus all other CVEs
30-day change
+0.14 pp
From 0.34% on 19-09-2026
19-09-202619-10-2026
EPSS score0.48%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Code.gitea.io1 product
- gitea< 1.27.0
Gitea1 product
- gitea open source git server≤ 1.26.4
Go1 product
- gitea.dev< 1.27.0
3 vendors · 3 products
References
8 links- blog.gitea.com/gitea-1.27.0-is-released/Release Notes
- github.com/go-gitea/giteaPACKAGE