CVE-2026-42931: gitea gitea open source git server
CVSS: 6.5v3.1MediumDeferred
AliasesGHSA-wwqq-x6w4-frm2GO-2026-6082
Published 13-08-2026Last modified 13-08-2026
Vulnerability summary
CVE-2026-42931 is a medium (CVSS 6.5) vulnerability in gitea gitea open source git server. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 43.6% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.53%
0%100%
Low · +0.15 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.
- 13-08-2026Last modifiedVulnerability information updated.
Description
Denial of Service via Unbounded io.ReadAll in NPM Package Tag Endpoint
CVSS metrics
3 scores · 3 sources · 1 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · GoEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.53%
Chance of exploitation in the next 30 days
Percentile
44%
Versus all other CVEs
30-day change
+0.15 pp
From 0.38% on 19-09-2026
19-09-202619-10-2026
EPSS score0.53%
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
Go1 product
- gitea.dev< 1.27.0
3 vendors · 3 products
References
4 links- blog.gitea.com/gitea-1.27.0-is-released/Release Notes
- github.com/go-gitea/giteaPACKAGE