CVE-2025-14822

Mattermost versions 10.11.x = 10.11.8 fail to validate input size before processing hashtags which allows an authenticated attacker to exhaust CPU resources via a single HTTP request containing a post with thousands space-separated tokens...

CVE-2025-14822 DoS from quadratic complexity in model.ParseHashtags

Mattermost versions 10.11.x = 10.11.8 fail to validate input size before processing hashtags which allows an authenticated attacker to exhaust CPU resources via a single HTTP request containing a post with thousands space-separated tokens...

Mattermost security vulnerabilities

Mattermost is an open-source collaboration platform developed by the American company Mattermost. Versions of Mattermost 10.11.8 and earlier, including 10.11.x, have a security vulnerability. This vulnerability stems from the lack of input validation before processing topic tags, which may allow...

Defending against the CVE-2025-55182 (React2Shell) vulnerability in React Server Components

CVE-2025-55182 also referred to as React2Shell and includes CVE-2025-66478, which was merged into it is a critical pre-authentication remote code execution RCE vulnerability affecting React Server Components, Next.js, and related frameworks. With a CVSS score of 10.0, this vulnerability could all...

AZL-66932 CVE-2025-39726 affecting package kernel for versions less than 6.6.104.2-1

In the Linux kernel, the following vulnerability has been resolved: s390/ism: fix concurrency management in ismcmd The s390x ISM device data sheet clearly states that only one request-response sequence is allowable per ISM function at any point in time. Unfortunately as of today the s390/ism driv...

vllm API endpoints vulnerable to Denial of Service Attacks

Summary A Denial of Service DoS vulnerability can be triggered by sending a single HTTP GET request with an extremely large header to an HTTP endpoint. This results in server memory exhaustion, potentially leading to a crash or unresponsiveness. The attack does not require authentication, making ...

CS Money: Application DOS via specially crafted payload on 3d.cs.money

Summary: Hello Team, While testing it was observed that on 3d.cs.money a DOS is possible via specially crafted request using only single request from single machine on search bar. Though I am aware of the Out of Scope policy "Any activity that could lead to the disruption of our service DoS", thi...

An unauthenticated attacker can generate a sizeable CPU load on a Confluence server with a single request.

h3. Issue Summary Confluence has an API endpoint, which combines multiple js resources in a single response:...

Keybase: Remote Server Restart Lead to Denial of Server by only one Request.

URL === https://keybase.io//api/1.0/merkle/block.json?hash=68b5d3599be9acbe97bcc45603a322f85f8a99b9cbc696592fe1088c3a099a45d929f0bc2fae2230f0b31b5e4b4122365f50b34fcf91a94a357df90a83e3b013 Poc: ==== https://keybase.io//api/1.0/merkle/block.json?hash=1 see video...

openstack-keystone: denial of service via V3 API authentication chaining

A flaw was found in the keystone V3 API. An attacker could send a single request with the same authentication method multiple times, possibly leading to a denial of service due to generating excessive load with minimal requests. Only keystone setups with the V3 API enabled were affected by this...