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...

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...

simple-ReDos

ReDOS Timing Attack Exploit Overview This Python script d...

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...

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...

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-2026-53504 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...

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...

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...

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-2026-66885

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...

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...

DEBIAN-CVE-2026-68499

re2 provides Node.js bindings for Google's RE2 regular expression engine. Prior to 1.25.2, re2's String.prototype.match implementation with a global RE2 pattern that can match the empty string fails to advance its native matching cursor in lib/match.cc, causing an infinite loop and unbounded nati...

UBUNTU-CVE-2026-68499

re2 provides Node.js bindings for Google's RE2 regular expression engine. Prior to 1.25.2, re2's String.prototype.match implementation with a global RE2 pattern that can match the empty string fails to advance its native matching cursor in lib/match.cc, causing an infinite loop and unbounded nati...

CVE-2026-68499

CVE-2026-68499 concerns the re2 Node.js bindings. Affected component is the String.prototype.match implementation in re2 when using a global RE2 pattern that can match the empty string. The underlying issue is that the native matching cursor is not advanced in lib/match.cc, causing an infinite lo...

EUVD-2026-51187

A Regular Expression Denial of Service ReDoS vulnerability exists in Apache Superset versions 1.5.0 through 5.0.0. The vulnerability is located in the sqlparse.py component, specifically within the SQLREGEX used for parsing SQL statements in the sqlparse library integration. The affected regular...

CVE-2026-23985 Apache Superset: Regular Expression Denial of Service (ReDoS) in SQL Parser

A Regular Expression Denial of Service ReDoS vulnerability exists in Apache Superset versions 1.5.0 through 5.0.0. The vulnerability is located in the sqlparse.py component, specifically within the SQLREGEX used for parsing SQL statements in the sqlparse library integration. The affected regular...