CVE-2026-5308

CVE-2026-5308 affects Mattermost versions 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4.4, and 10.11.x

PT-2026-42749

Name of the Vulnerable Software and Affected Versions Mattermost version 11.6.0 Mattermost version 11.5.3 Mattermost version 11.4.4 Mattermost version 10.11.14 Description Failure to enforce request body size limits on plugin HTTP endpoints allows an attacker to cause a denial of service by sendi...

tomcat6: Fix of CVE-2026-41284

CVE-2026-41284: tomcat6: WebDAV LOCK/PROPFIND unbounded request body DoS...

Astra Linux – Vulnerability in Qt4-X11

A issue was discovered in Qt between versions 5.12.9, 5.13.x, and 5.15.x up to 5.15.1. The readxbmbody function in gui/image/qxbmhandler.cpp has a buffer over-read issue...

Astra Linux – Vulnerability in Jetty9

In Eclipse Jetty versions 9.4.0.RC0 to 9.4.34.v20201102, 10.0.0alpha0 to 10.0.0.beta2, and 11.0.0alpha0 to 11.0.0.beta2, if GZIP request body inflation is enabled and requests from different clients are multiplexed onto a single connection, then if an attacker can send a request with a body that ...

Astra Linux – Vulnerability in krb5

In MIT Kerberos 5 also known as krb5, before version 1.18.5 and 1.19.x, before version 1.19.3, the Key Distribution Center KDC has a NULL pointer dereference in the kdc/dotgsreq.c file, through a FAST inner body that lacks a server field...

Astra Linux – Vulnerability in node-body-parser

body-parser is a Node.js body parsing middleware. body-parser version 1.20.3 is vulnerable to denial of service when url encoding is enabled. A malicious actor using a specially crafted payload could flood the server with a large number of requests, resulting in denial of service. This issue has...

📄 ZTE Unauthenticated Denial of Service

ZTE routers 17+ models suffer from an unauthenticated denial of service vulnerability via an oversized POST body. Title: ZTE Routers 17+ Models - Unauthenticated Denial of Service via Oversized POST Body Date: 2026-05-20 Author: Mina Nageh Salalma Monx Research CVE: CVE-2026-34473 Vendor: ZTE...

RHEL 10 : python-tornado (RHSA-2026:19034)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:19034 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level...

Mattermost doesn't limit the size of the request body on the start meeting API endpoint

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 fail to limit the size of the request body on the start meeting API endpoint, which allows an authenticated attacker to cause resource exhaustion or denial of service via a crafted oversized HTTP POST request to...

CVE-2026-2325

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 fail to limit the size of the request body on the start meeting API endpoint, which allows an authenticated attacker to cause resource exhaustion or denial of service via a crafted oversized HTTP POST request to...

EUVD-2026-30737

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 fail to limit the size of the request body on the start meeting API endpoint, which allows an authenticated attacker to cause resource exhaustion or denial of service via a crafted oversized HTTP POST request to...

PT-2026-41639

Name of the Vulnerable Software and Affected Versions Mattermost versions 11.5.0 through 11.5.1 Mattermost versions 10.11.0 through 10.11.13 Mattermost versions 11.4.0 through 11.4.3 Description An authenticated attacker can cause resource exhaustion or denial of service by sending a crafted...

Mattermost 安全漏洞

Mattermost is an open-source collaboration platform developed by the American company Mattermost. Versions of Mattermost such as 11.5.1 and earlier 11.5.x series, 10.11.13 and earlier 10.11.x series, and 11.4.3 and earlier 11.4.x series have security vulnerabilities. These vulnerabilities stem fr...

MGASA-2026-0146 Updated haproxy packages fix security vulnerability

The HTTP/3 parser does not check that the received body length matches a previously announced content-length when the stream is closed via a frame with an empty payload. This can cause desynchronization issues with the backend server and could be used for request smuggling. CVE-2026-33555...

BIT-NGINX-2026-42926 NGINX ngx_http_proxy_v2_module vulnerability

When NGINX Open Source is configured to proxy HTTP/2 traffic by setting proxyhttpversion to 2, and also uses proxysetbody, an attacker may be able to inject frame headers and payload bytes to the upstream peer. Note: Software versions which have reached End of Technical Support EoTS are not...

BIT-GRAFANA-2026-28383 Grafana plugin resources can lead to unbounded memory allocation

A request to the Grafana plugin resources endpoint can cause unbounded memory allocation by reading the entire request body into memory. An authenticated user can exploit this to trigger an out-of-memory condition, potentially causing a denial of service...

EUVD-2026-30335

Valtimo is an open-source business process automation platform. From 12.4.0 to 12.33.0 and 13.26.0, the LoggingRestClientCustomizer in the web module automatically intercepts all outgoing HTTP calls made via Spring's RestClient and logs the full request body, response body, and response headers...

CVE-2026-44516

Valtimo is an open-source business process automation platform. From 12.4.0 to 12.33.0 and 13.26.0, the LoggingRestClientCustomizer in the web module automatically intercepts all outgoing HTTP calls made via Spring's RestClient and logs the full request body, response body, and response headers...

CVE-2026-44516 Valtimo: Sensitive data exposure through HTTP request/response logging in LoggingRestClientCustomizer

Valtimo is an open-source business process automation platform. From 12.4.0 to 12.33.0 and 13.26.0, the LoggingRestClientCustomizer in the web module automatically intercepts all outgoing HTTP calls made via Spring's RestClient and logs the full request body, response body, and response headers...