CVE-2026-59220 Open WebUI: ReDoS in skill-mention regexes causes whole-instance DoS on default config

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.2 before 0.10.0, the SKILLMENTIONRE and stripre regular expressions in backend/openwebui/utils/middleware.py parsed skill mentions with overlapping quantifiers, allowing an authenticated chat message...

org.hl7.fhir.core: ReDoS via FHIRPath matches()/replaceMatches() in FHIR Validator HTTP Endpoint

All implementations of FHIRPathEngine accept arbitrary FHIRPath expressions and evaluate them without input validation. The utility intended to secure this evaluation did so incorrectly, and did not fully cover all places in which evaluation was being done. An attacker can send a resource...

CVE-2026-15154

A flaw was found in guardrails-detectors, a component of Red Hat OpenShift AI. This vulnerability, known as Regular Expression Denial of Service ReDoS, allows a remote attacker to provide specially crafted regular expressions to the public detection API. This can cause catastrophic backtracking,...

PT-2026-56557

Name of the Vulnerable Software and Affected Versions Red Hat OpenShift AI affected versions not specified Description A Regular Expression Denial of Service ReDoS flaw exists in the guardrails-detectors component. A remote attacker can send specially crafted regular expressions to the public...

PYSEC-2026-1109 AIOHTTP has unicode match groups in regexes for ASCII protocol elements

Summary The parser allows non-ASCII decimals to be present in the Range header. Impact There is no known impact, but there is the possibility that there's a method to exploit a request smuggling vulnerability. ---- Patch:...

copyparty allows Regex Denial of Service (ReDoS) in the upload listing

SummaryThe filter parameter for the "Recent uploads" page allows arbitrary Regexes. If this feature is enabled which is the default, an attacker can craft a filter which deadlocks the server. PoChttps://127.0.0.1:3923/?ru=.++x ImpactThe server becomes fully inaccessible for a long time...

Regular Expression Denial of Service (ReDoS)

Overview vllm is an A high-throughput and memory-efficient inference and serving engine for LLMs Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS via the structuredoutputs.regex parameter, which allows user-supplied regular expressions to be passed...

PYSEC-2026-2304

vLLM is a high-throughput and memory-efficient inference and serving engine for LLMs. Prior to 0.24.0, the structuredoutputs.regex API parameter passes a user-supplied regular expression string directly to the grammar compiler backends with no compilation timeout; in the xgrammar backend the stri...

CVE-2026-55574

vLLM is a high-throughput and memory-efficient inference and serving engine for LLMs. Prior to 0.24.0, the structuredoutputs.regex API parameter passes a user-supplied regular expression string directly to the grammar compiler backends with no compilation timeout; in the xgrammar backend the stri...

httpd: Apache HTTP Server: Denial of Service via crafted regular expressions

A flaw was found in Apache HTTP Server. This buffer underwrite vulnerability occurs when processing crafted regular expressions in the server's configuration. An attacker could potentially exploit this to cause a denial of service...

CVE-2026-58012

A flaw was found in GLib. A buffer over-read can occur in the gregexreplace function when used with the GREGEXRAW compile flag and case-change replacement escapes because the stringappend function processes matched substrings using UTF-8 functions that assume valid UTF-8 input, even when the stri...

CVE-2026-54300

The CVE-2026-54300 issue affects the Astro package @astrojs/netlify (Netlify adapter). Before version 7.0.13, the adapter converts image.remotePatterns into Netlify Image CDN images.remote_images regexes with broader semantics than Astro’s canonical matcher. Specifically, wildcards like .example....

CVE-2025-71379 vllm - Regular Expression Denial of Service in Multiple Components

vLLM versions = 0.6.3 and 0.9.0 contain multiple regular expression denial of service ReDoS vulnerabilities. Several regex patterns — in vllm/lora/utils.py, the phi4mini tool parser, and the OpenAI-compatible serving chat endpoint — are susceptible to catastrophic backtracking. An attacker...

MGASA-2026-0220 Updated perl packages fix security vulnerabilities

Perl versions through 5.43.10 have a heap buffer overflow when compiling regular expressions with a repeated fixed string on 32-bit builds. CVE-2026-8376...

Incomplete List of Disallowed Inputs

Overview @astrojs/netlify is a Deploy your site to Netlify Affected versions of this package are vulnerable to Incomplete List of Disallowed Inputs via the conversion process of image.remotePatterns to Netlify Image CDN images.remoteimages regular expressions. An attacker can access image-like...

CVE-2026-44631

A flaw was found in Apache HTTP Server. This buffer underwrite vulnerability occurs when processing crafted regular expressions in the server's configuration. An attacker could potentially exploit this to cause a denial of service. Mitigation Only loadtrustedApache configuration; the bug triggers...

OESA-2026-2658 perl security update

Perl 5 is a highly capable, feature-rich programming language with over 30 years of development. Perl 5 runs on over 100 platforms from portables to mainframes and is suitable for both rapid prototyping and large scale development projects. Security Fixes: Perl versions through 5.43.10 have a hea...

httpd: Apache HTTP Server: Denial of Service via crafted regular expressions

A flaw was found in Apache HTTP Server. This buffer underwrite vulnerability occurs when processing crafted regular expressions in the server's configuration. An attacker could potentially exploit this to cause a denial of service...

SUSE-SU-2026:22058-1 Security update for python-Pygments

This update for python-Pygments fixes the following issue: - CVE-2026-4539: Denial of Service via inefficient regular expression processing in AdlLexer bsc1260796...

Svelte 安全漏洞

Svelte is an open-source approach to building web applications. Versions of Svelte from 5.51.5 to 5.55.7 contained a security vulnerability. This vulnerability stemmed from the exponential increase in time taken for internal regular expression tests, which could lead to denial-of-service attacks...