CVE-2025-48943

The CVE-2025-48943 issue affects vLLM (inference/serving engine). Versions 0.8.0 up to but excluding 0.9.0 are vulnerable to a Denial of Service caused by processing an invalid regex when using structured output; the issue is fixed in 0.9.0. Related Chainguard advisories list affected builds such...

CVE-2025-48943 vLLM allows clients to crash the openai server with invalid regex

vLLM is an inference and serving engine for large language models LLMs. Version 0.8.0 up to but excluding 0.9.0 have a Denial of Service ReDoS that causes the vLLM server to crash if an invalid regex was provided while using structured output. This vulnerability is similar to...

CVE-2025-48943 vLLM allows clients to crash the openai server with invalid regex

vLLM is an inference and serving engine for large language models LLMs. Version 0.8.0 up to but excluding 0.9.0 have a Denial of Service ReDoS that causes the vLLM server to crash if an invalid regex was provided while using structured output. This vulnerability is similar to...

PYSEC-2025-50

vLLM, an inference and serving engine for large language models LLMs, has a Regular Expression Denial of Service ReDoS vulnerability in the file vllm/entrypoints/openai/toolparsers/pythonictoolparser.py of versions 0.6.4 up to but excluding 0.9.0. The root cause is the use of a highly complex and...

vLLM 安全漏洞

vLLM is a high throughput and memory efficient inference and service engine for LLM from the vLLM open source. A security vulnerability exists in vLLM versions prior to 0.6.4 through 0.9.0 that stems from a complex regular expression used in tool call detection that could lead to a regular...

vLLM Tool Schema allows DoS via Malformed pattern and type Fields

Summary The vLLM backend used with the /v1/chat/completions OpenAPI endpoint fails to validate unexpected or malformed input in the "pattern" and "type" fields when the tools functionality is invoked. These inputs are not validated before being compiled or parsed, causing a crash of the inference...

GHSA-VRQ3-R879-7M65 vLLM Tool Schema allows DoS via Malformed pattern and type Fields

Summary The vLLM backend used with the /v1/chat/completions OpenAPI endpoint fails to validate unexpected or malformed input in the "pattern" and "type" fields when the tools functionality is invoked. These inputs are not validated before being compiled or parsed, causing a crash of the inference...

vLLM allows clients to crash the openai server with invalid regex

Impact A denial of service bug caused the vLLM server to crash if an invalid regex was provided while using structured output. This vulnerability is similar to GHSA-6qc9-v4r8-22xg, but for regex instead of a JSON schema. Issue with more details: https://github.com/vllm-project/vllm/issues/17313...

GHSA-9HCF-V7M4-6M2J vLLM allows clients to crash the openai server with invalid regex

Impact A denial of service bug caused the vLLM server to crash if an invalid regex was provided while using structured output. This vulnerability is similar to GHSA-6qc9-v4r8-22xg, but for regex instead of a JSON schema. Issue with more details: https://github.com/vllm-project/vllm/issues/17313...

GHSA-J828-28RJ-HFHP vLLM vulnerable to Regular Expression Denial of Service

Summary A recent review identified several regular expressions in the vllm codebase that are susceptible to Regular Expression Denial of Service ReDoS attacks. These patterns, if fed with crafted or malicious input, may cause severe performance degradation due to catastrophic backtracking. 1...

vLLM vulnerable to Regular Expression Denial of Service

Summary A recent review identified several regular expressions in the vllm codebase that are susceptible to Regular Expression Denial of Service ReDoS attacks. These patterns, if fed with crafted or malicious input, may cause severe performance degradation due to catastrophic backtracking. 1...

vLLM has a Regular Expression Denial of Service (ReDoS, Exponential Complexity) Vulnerability in `pythonic_tool_parser.py`

Summary A Regular Expression Denial of Service ReDoS vulnerability exists in the file vllm/entrypoints/openai/toolparsers/pythonictoolparser.py of the vLLM project. The root cause is the use of a highly complex and nested regular expression for tool call detection, which can be exploited by an...

Directory Traversal

Overview github.com/traefik/traefik/v2/pkg/server is a server package for traefik, a cloud native edge router. Affected versions of this package are vulnerable to Directory Traversal when using the PathPrefix, Path, or PathRegex route matchers. An attacker can target a backend exposed using anoth...

PT-2025-23227 · Vllm · Vllm

Name of the Vulnerable Software and Affected Versions: vLLM versions 0.8.0 through 0.8.x Description: The issue is a Denial of Service ReDoS that causes the vLLM server to crash if an invalid regex is provided while using structured output. This is similar to a previously identified issue, but it...

USN-7529-1 tika vulnerabilities

It was discovered that Apache Tika can have an excessive memory usage by using a crafted or corrupt PSD file. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 20.04 LTS. CVE-2020-1950, CVE-2020-1951 It was discovered that Apache Tika...

CVE-2024-49400

Tacquito prior to commit 07b49d1358e6ec0b5aa482fcd284f509191119e2 was not properly performing regex matches on authorized commands and arguments. Configured allowed commands/arguments were intended to require a match on the entire string, but instead only enforced a match on a sub-string. That...

CVE-2024-52289

authentik is an open-source identity provider. Redirect URIs in the OAuth2 provider in authentik are checked by RegEx comparison. When no Redirect URIs are configured in a provider, authentik will automatically use the first redirecturi value received as an allowed redirect URI, without escaping...

CVE-2024-9277

A vulnerability classified as problematic was found in Langflow up to 1.0.18. Affected by this vulnerability is an unknown functionality of the file \src\backend\base\langflow\interface\utils.py of the component HTTP POST Request Handler. The manipulation of the argument remainingtext leads to...

CVE-2024-1963

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.4 prior to 16.10.7, starting from 16.11 prior to 16.11.4, and starting from 17.0 prior to 17.0.2. A vulnerability in GitLab's Asana integration allowed an attacker to potentially cause a regular expression denial ...

CVE-2024-50343

symfony/validator is a module for the Symphony PHP framework which provides tools to validate values. It is possible to trick a Validator configured with a regular expression using the $ metacharacters, with an input ending with \n. Symfony as of versions 5.4.43, 6.4.11, and 7.1.4 now uses the D...