August 24, 2026

CVE Watchtower


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CVE-2026-20896NVD

Vulnerability Summary

Gitea Docker image versions up to and including 1.26.2 use REVERSE_PROXY_TRUSTED_PROXIES=* by default, allowing any source IP to impersonate a user when reverse-proxy authentication headers such as X-WEBAUTH-USER are enabled.
Severity Level
CRITICAL(9.8)
Published Date
Jul 3, 2026
Last Modified
Jul 7, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
31.81%Probability
Root Weakness (CWE)
CWE-284: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

External References