9.1

CVE-2026-58508: gitea gitea open source git server Improper Access Control

CVSS: 9.1v3.1CriticalDeferred
Published 13-08-2026Last modified 14-08-2026
Open JSON

Vulnerability summary

CVE-2026-58508 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.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.48%
0%100%
Low · +0.21 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-08-2026
    PublishedVulnerability first disclosed.
  2. 14-08-2026
    Last modifiedVulnerability information updated.

Description

Two SSRF vulnerabilities in Gitea migration/mirror (DNS rebinding + missing re-validation)

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.48%

Chance of exploitation in the next 30 days

Percentile

40%

Versus all other CVEs

30-day change

+0.21 pp

From 0.27% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.48%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Gitea1 product

1 vendor · 1 product

References

3 links