PT-2026-44131

Name of the Vulnerable Software and Affected Versions crowdsec versions prior to 1.7.8 Description The AppSec component fails to read the HTTP request body when the Content-Length is not positive. This occurs specifically with HTTP/1.1 requests using Transfer-Encoding: chunked and HTTP/2 requests...

GHSA-JMVR-R5HM-FXFR Mattermost doesn't enforce request body size limits on plugin HTTP endpoints

Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to enforce request body size limits on plugin HTTP endpoints which allows an attacker to cause a denial of service via crafted oversized HTTP requests.. Mattermost Advisory ID: MMSA-2026-00646...

📄 ZTE ZXHN Router Denial of Service

The CGILua post.lua parser used in ZTE ZXHN routers does not enforce an upper bound on the body size of application/x-www-form-urlencoded POST requests. An unauthenticated attacker can crash or freeze the router's web management service by sending a single HTTP POST request with an oversized body...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to missing request body size limits on plugin HTTP endpoints. An attacker can exhaust system resources by sending crafted oversized HTTP requests. Remediation Upgrade...

CVE-2026-5308

Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to enforce request body size limits on plugin HTTP endpoints which allows an attacker to cause a denial of service via crafted oversized HTTP requests.. Mattermost Advisory ID: MMSA-2026-00646...

CVE-2026-5308 Missing request body size limits on Zoom plugin HTTP endpoints

Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to enforce request body size limits on plugin HTTP endpoints which allows an attacker to cause a denial of service via crafted oversized HTTP requests.. Mattermost Advisory ID: MMSA-2026-00646...

EUVD-2026-31425

Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to enforce request body size limits on plugin HTTP endpoints which allows an attacker to cause a denial of service via crafted oversized HTTP requests.. Mattermost Advisory ID: MMSA-2026-00646...

CVE-2026-5308

Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to enforce request body size limits on plugin HTTP endpoints which allows an attacker to cause a denial of service via crafted oversized HTTP requests.. Mattermost Advisory ID: MMSA-2026-00646...

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...

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 Tomcat9

When responding to new H2C connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41, and 8.5.0 to 8.5.61 may duplicate request headers and a limited amount of request body from one request to another. This means that user A and user B may both see the results of user A’...

Astra Linux – Vulnerability in python-urllib3

urllib3 is a user-friendly HTTP client library for Python. Previously, urllib3 would not remove the HTTP request body when an HTTP redirect response was received using status 301, 302, or 303 after the request’s method changed from one that could accept a request body such as POST to GET, as...

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...

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: 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...