Threat Actors Probe Gitea Docker Flaw CVE-2026-20896 13 Days After Disclosure

Threat actors have been observed attempting to exploit a recently patched critical security flaw in Gitea Docker images, according to Sysdig. The vulnerability in question is CVE-2026-20896 CVSS score: 9.8, a vulnerability that stems from the DevOps platform trusting the "X-WEBAUTH-USER" header...

Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass due to the default configuration of REVERSEPROXYTRUSTEDPROXIES allowing all sources. An attacker can gain unauthorized access by sending spoofed reverse-proxy authentication headers such as X-WEBAUTH-USER...

User Impersonation

Overview Affected versions of this package are vulnerable to User Impersonation via the ENABLEREVERSEPROXYAUTHENTICATION process. An attacker can impersonate any user or trigger automatic account creation by forging the configured authentication header in client requests. This is only exploitable...

User Impersonation

Overview Affected versions of this package are vulnerable to User Impersonation via the ENABLEREVERSEPROXYAUTHENTICATION process. An attacker can impersonate any user or trigger automatic account creation by forging the configured authentication header in client requests. This is only exploitable...

CVE-2026-25119

Gogs is an open source self-hosted Git service. Prior to 0.14.3, when ENABLEREVERSEPROXYAUTHENTICATION is enabled, Gogs accepts the configured authentication header default: X-WEBAUTH-USER directly from client requests without validating that the request originated from a trusted reverse proxy. A...

CVE-2026-25119

Gogs vulnerability CVE-2026-25119: When ENABLE_REVERSE_PROXY_AUTHENTICATION is enabled, Gogs accepts the header (default X-WEBAUTH-USER) from client requests without validating the request came through a trusted reverse proxy, allowing an attacker to impersonate any user or auto-register. Affecte...

PT-2026-52065

Name of the Vulnerable Software and Affected Versions Jellyfin versions prior to 10.11.9 Description A Cross-Site Scripting XSS issue exists where a non-privileged user can execute arbitrary Javascript within the session of a logged-in Administrative user. This occurs because the Client header us...

PT-2026-51429

Name of the Vulnerable Software and Affected Versions Gogs versions prior to 0.14.3 Description When ENABLE REVERSE PROXY AUTHENTICATION is enabled, Gogs accepts the configured authentication header default: X-WEBAUTH-USER directly from client requests without validating that the request originat...

CVE-2026-50630

A CRLF injection vulnerability exists in the OAuth2 AuthorizationUtils class. When constructing the WWW-Authenticate response header, the 'realm' parameter is concatenated without sanitizing Carriage Return CR and Line Feed LF characters. If an attacker can control the realm value, they can injec...

xfrm: ah: account for ESN high bits in async callbacks

...

SUSE CVE-2026-46193

In the Linux kernel, the following vulnerability has been resolved: xfrm: ah: account for ESN high bits in async callbacks AH allocates its temporary auth/ICV layout differently when ESN is enabled: the async ahash setup appends a 4-byte seqhi slot before the ICV or authdata area, but the async...

CVE-2026-46193

In the Linux kernel, the following vulnerability has been resolved: xfrm: ah: account for ESN high bits in async callbacks AH allocates its temporary auth/ICV layout differently when ESN is enabled: the async ahash setup appends a 4-byte seqhi slot before the ICV or authdata area, but the async...

UBUNTU-CVE-2026-46193

In the Linux kernel, the following vulnerability has been resolved: xfrm: ah: account for ESN high bits in async callbacks AH allocates its temporary auth/ICV layout differently when ESN is enabled: the async ahash setup appends a 4-byte seqhi slot before the ICV or authdata area, but the async...

CVE-2026-46193 xfrm: ah: account for ESN high bits in async callbacks

In the Linux kernel, the following vulnerability has been resolved: xfrm: ah: account for ESN high bits in async callbacks AH allocates its temporary auth/ICV layout differently when ESN is enabled: the async ahash setup appends a 4-byte seqhi slot before the ICV or authdata area, but the async...

CVE-2026-46193

CVE-2026-46193 concerns a Linux kernel xfrm AH (AH) implementation issue where ESN high bits are not accounted for in async callback paths, causing miscalculation of ICV/auth offsets on IPv4/IPv6 when ESN is enabled and async hmac is used. The vulnerability arises from reconstructing the temporar...

PT-2026-44316

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the xfrm AH implementation where the system fails to account for Extended Sequence Number ESN high bits in asynchronous callbacks. When ESN is enabled, the asynchronou...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the fact that the high ESN value in the xfrm AH is not properly considered during asynchronous...

Astra Linux - уязвимость в tomcat9

Exposure of the HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerabilities in Apache Tomcat. This issue affects Apache Tomcat versions: 11.0.0-M1 through 11.0.21, 10.1.0-M1 through 10.1.54, 9.0.2 through 9.0.117, 8.5.24 through 8.5.100, and 7.0.83 through...

CVE-2026-45339

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, Open WebUI allows admins to restrict which API endpoints an API key can access. When an API key is restricted from /api/v1/messages, requests using the Authorization: Bearer sk-...

curl 安全漏洞

curl is an open-source tool developed by cURL for transferring data from a server or to a server. Curl has a security vulnerability, which stems from an error in passing the proxy authentication header. This error may cause the Proxy-Authorization header from the first proxy to be incorrectly...