CVE-2026-59763: gitea gitea open source git server Improper Access Control
CVSS: 4.3v3.1MediumDeferred
AliasesGHSA-9mq6-mqjj-c2c5GO-2026-6049
Published 13-08-2026Last modified 13-08-2026
Vulnerability summary
CVE-2026-59763 is a medium (CVSS 4.3) Improper Access Control vulnerability in gitea gitea open source git server. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 34.2% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)EPSS score
0.41%
0%100%
Low · +0.18 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
- 13-08-2026PublishedVulnerability first disclosed.
- 13-08-2026Last modifiedVulnerability information updated.
Description
Unbounded Arch package file metadata can cause resource amplification in Gitea package uploads
CVSS metrics
3 scores · 3 sources · 2 versionsMedium 5.3Preferred score · OSV · Go (Ecosystem advisory) · calculated from vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:NSourcesSingle source
Medium 4.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LSourcesAll 2 agree
- NVDNIST4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
EPSS trend
Probability
0.41%
Chance of exploitation in the next 30 days
Percentile
34%
Versus all other CVEs
30-day change
+0.18 pp
From 0.24% on 20-09-2026
20-09-202620-10-2026
EPSS score0.41%
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