CVE-2026-71190

In OpenStack Swift through 2.38.0, the proxy server Accept header parser contains a regular expression vulnerable to catastrophic backtracking ReDoS. The "qdtext" pattern ?:^"|\. allows an unauthenticated remote attacker to send a crafted Accept header that causes exponential CPU consumption in...

Open WebUI: Any authenticated user can stall a worker via a knowledge-search pattern that backtracks catastrophically

Summary The built-in knowledge search tools let a chat participant choose the pattern used to grep knowledge files. Patterns containing regex metacharacters were compiled with Python's backtracking re engine and run against every line of every reachable file, with no time limit anywhere on that...

Malicious code in @onereach/regular-expressions (npm)

npm/@onereach/regular-expressions is affected by the large-scale, self-propagating npm supply-chain worm of 2026-08-04 the "Shai-Hulud: Here We Go Again" wave — the same campaign that began with the compromise of the keyv and cacheable maintainer account. The listed versions were trojanized and...

Thumbor has Regex Denial of Service (ReDoS) in `convolution` filter

SummaryThe regular expression used to parse the convolution filter exhibits exponential-time backtracking for certain inputs, enabling a Regular Expression Denial of Service ReDoS. DetailsThe RegExp for convolution is defined as...

PYSEC-2026-3616 Thumbor has Regex Denial of Service (ReDoS) in `convolution` filter

Summary The regular expression used to parse the convolution filter exhibits exponential-time backtracking for certain inputs, enabling a Regular Expression Denial of Service ReDoS. Details The RegExp for convolution is defined as...

CVE-2026-70493: Inefficient Regular Expression Complexity

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 until 0.11.0, the built-in knowledge search path in backend/openwebui/tools/knowledgefs.py and backend/openwebui/tools/builtin.py let a chat participant choose a pattern used to grep knowledge files...

FreeBSD : Angie -- multiple vulnerabilities (347fe124-8f53-11f1-9f4f-3c7c3fba4204)

"The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 347fe124-8f53-11f1-9f4f-3c7c3fba4204 advisory. The Angie Software Team reports: When evaluating a string expression in which unnamed capture...

Regular Expression Denial of Service (ReDoS)

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS in the cors middleware during the parsing of the Access-Control-Request-Headers header via a regular expression with quadratic runtime complexit...

CVE-2026-53500

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, the ALLOWEDSOURCES configuration passes plain strings to re.match without escaping dots, so a hostname differing at dot positions can match the allowlist. This issue is fixed in 7.8.0...

Thumbor has Regex Denial of Service (ReDoS) in `convolution` filter

Summary The regular expression used to parse the convolution filter exhibits exponential-time backtracking for certain inputs, enabling a Regular Expression Denial of Service ReDoS. Details The RegExp for convolution is defined as...

GHSA-5VJC-7CXW-4W6J Thumbor has Regex Denial of Service (ReDoS) in `convolution` filter

Summary The regular expression used to parse the convolution filter exhibits exponential-time backtracking for certain inputs, enabling a Regular Expression Denial of Service ReDoS. Details The RegExp for convolution is defined as...

Regular Expression Denial of Service (ReDoS)

Overview thumbor is a thumbor is an open-source photo thumbnail service by globo.com Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS via the convolution filter regular expression. An attacker can cause the application to become unresponsive by...

EUVD-2026-51610

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, the convolution filter regular expression performs exponential backtracking on crafted repeated numeric input, allowing a URL request to exhaust processing time. This issue is fixed in 7.8.0...

CVE-2026-53504

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, the convolution filter regular expression performs exponential backtracking on crafted repeated numeric input, allowing a URL request to exhaust processing time. This issue is fixed in 7.8.0...

CVE-2026-53504 Thumbor has Regex Denial of Service (ReDoS) in `convolution` filter

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, the convolution filter regular expression performs exponential backtracking on crafted repeated numeric input, allowing a URL request to exhaust processing time. This issue is fixed in 7.8.0...

Regular Expression Denial of Service (ReDoS)

Overview thumbor is a thumbor is an open-source photo thumbnail service by globo.com Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS in the validate process. An attacker can access unauthorized external resources by supplying crafted hostnames that...

CVE-2026-53500

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, the ALLOWEDSOURCES configuration passes plain strings to re.match without escaping dots, so a hostname differing at dot positions can match the allowlist. This issue is fixed in 7.8.0...

CVE-2026-53500 Thumbor treats ALLOWED_SOURCES string patterns as unescaped regex, allowing hostname bypass via wildcard dot

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, the ALLOWEDSOURCES configuration passes plain strings to re.match without escaping dots, so a hostname differing at dot positions can match the allowlist. This issue is fixed in 7.8.0...

PT-2026-66836

Name of the Vulnerable Software and Affected Versions Thumbor versions prior to 7.8.0 Description The ALLOWED SOURCES configuration, designed to restrict the hosts from which the HTTP loader fetches images, fails to escape dots when processing plain-string entries. These strings are passed direct...

PT-2026-66885

Name of the Vulnerable Software and Affected Versions NLTK affected versions not specified Description ReviewsCorpusReader is susceptible to a Regular Expression Denial of Service ReDoS when extracting feature annotations. The issue occurs because the FEATURES regex uses an unbounded greedy patte...