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CVE-2026-20896

CVE

Threat entity extracted from intelligence sources

Frequency
5
occurrences
First Seen
June 30, 2026
Last Seen
August 26, 2026
API
Exploited in Wild
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Ransomware Use
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Public Exploits
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Attack Vector
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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

An anonymous researcher known as Bikini has released exploit code for over a dozen zero-day vulnerabilities affecting 15 popular open-source projects, including the Linux kernel and Libssh2. The exploits were disclosed without prior notification to the vendors, raising concerns about potential wides...

A critical vulnerability in Gitea, tracked as CVE-2026-60004, is being actively exploited by attackers, allowing unauthorized users to execute arbitrary shell commands on vulnerable servers. This flaw affects self-hosted Gitea instances, particularly those with default configurations that permit sel...

CVE-2026-20896 is a critical authentication bypass vulnerability (CVSS 9.8) affecting Gitea Docker images up to version 1.26.2. Discovered on July 3, 2026, the flaw allows unauthenticated remote attackers to impersonate any user by injecting a crafted X-WEBAUTH-USER HTTP header. Thirteen days post-d...

Public Exploits

Checking GitHub for proof-of-concept code…