regexploit

Regexploit 正規表現サービス拒否（ReDoS）に対して脆弱な正規表現を見つけます。 詳細はDoyensec ブログ をご覧ください。 多くのデフォルトの正規表現パーサーは、最悪の場合の複雑さが無制限です。マッチする入力文字列に対しては高速にマッチングを行うかもしれません。しかし、特定のマッチしない入力文字列によって、正規表現マッチャーが異常なバックトラッキングループに陥り、処理に長い時間がかかることがあります。これは、CPU が正規表現のマッチングに固執してしまうため、サービス拒否を引き起こす可能性があります。 このツールは以下のために設計されています： ReDoS...

EUVD-2026-79240

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 7.260706.0, the JSON ingestion mapper's extractWithRegexp formula function compiled a user-supplied regular expression with the JavaScript RegExp engine in...

OESA-2026-3762 python-soupsieve security update

Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. It aims to provide selecting, matching, and filtering using modern CSS selectors. Soup Sieve currently provides selectors from the CSS level 1 specifications up through the latest CSS level 4 drafts and beyond though...

CVE-2020-5236

Waitress 1.4.2 ReDoS - CVE-2020-5236 Waitress versión 1.4.2 permite un ataque DoS. Cuando Waitress recibe una cabecera que contiene caracteres inválidos. Cuando una cabecera como "Bad-header: xxxxxxxxxxxxxxx\x10" es recibida, provocará que el motor de expresiones regulares realice un retroceso...

Astra Linux – Vulnerability in pillow

A issue was discovered in Pillow before version 8.1.1. The PDF parser allows a regular expression DoS ReDoS attack through a crafted PDF file due to a catastrophic backtracking in the regex...

n8n: Regular Expression Denial of Service in the Default Blocked-File-Pattern Match via a Git Node Clone Path

Impact The Git node's clone operation matched the destination path against the default N8NBLOCKFILEPATTERNS expression, which was written so that a crafted path caused catastrophic backtracking. Evaluation runs synchronously in the main n8n process, so an authenticated user could freeze the...

FreeMOCA

FreeMOCA：用于恶意代码分析的无记忆持续学习 ArXiv 论文链接 Zahra Asadi, Haeseung Jeon, Sohyun Han, Md Mahmuduzzaman Kamol, Se Eun Oh, Mohammad Saidur Rahman† 同等贡献作者。 †通讯作者。 !NOTE 这是论文 FreeMOCA: Memory-Free Continual Learning for Malicious Code Analysis 的官方实现。 FreeMOCA 流程 FreeMOCA 按以下流程运行： 1. 任务按顺序到达，每个任务都会引入新的恶意软件家族。 ...

CVE-2026-86081

n8n is an open source workflow automation platform. Prior to 1.123.76, 2.37.7, and 2.38.2, the Git node clone operation matched an attacker-controlled destination path against the default N8NBLOCKFILEPATTERNS regular expression. The pattern ^./.git/.$ allowed catastrophic backtracking and ran...

CVE-2026-86081 n8n: Regular Expression Denial of Service in the Default Blocked-File-Pattern Match via a Git Node Clone Path

n8n is an open source workflow automation platform. Prior to 1.123.76, 2.37.7, and 2.38.2, the Git node clone operation matched an attacker-controlled destination path against the default N8NBLOCKFILEPATTERNS regular expression. The pattern ^./.git/.$ allowed catastrophic backtracking and ran...

CVE-2026-86081 n8n: Regular Expression Denial of Service in the Default Blocked-File-Pattern Match via a Git Node Clone Path

n8n is an open source workflow automation platform. Prior to 1.123.76, 2.37.7, and 2.38.2, the Git node clone operation matched an attacker-controlled destination path against the default N8NBLOCKFILEPATTERNS regular expression. The pattern ^./.git/.$ allowed catastrophic backtracking and ran...

CVE-2026-86081

n8n , an open-source workflow automation platform, is vulnerable to Regular Expression Denial of Service (ReDoS) in its Git node clone operation. Prior to versions 1.123.76 , 2.37.7 , and 2.38.2 , the default N8N_BLOCK_FILE_PATTERNS regex (^(./).git(/.)$) permitted catastrophic backtracking when ...

EUVD-2026-66397

NLTK: ReDoS in nltk.tgrep via unvalidated user-supplied regular expressions...

EUVD-2026-66396

NLTK: ReDoS in nltk.text.Text.findall via unvalidated user-supplied regular expressions...

PT-2026-88512

Impact The Git node's clone operation matched the destination path against the default N8N BLOCK FILE PATTERNS expression, which was written so that a crafted path caused catastrophic backtracking. Evaluation runs synchronously in the main n8n process, so an authenticated user could freeze the...

EUVD-2026-62542

Grav: Authenticated ReDoS via regexreplace in Twig Sandbox...

CVE-2026-80205

A flaw was found in NLTK. A remote attacker can exploit a regular expression denial of service ReDoS vulnerability in the Text.findall and TokenSearcher.findall methods. These methods accept user-supplied regular expressions without validation, allowing an attacker to provide crafted patterns tha...

CVE-2026-62326

Weblate is a web-based continuous localization platform used to manage software translations. In versions prior to 2026.7, a user with the built-in "Edit source" role can store a malicious regular expression in a source string's flags that is executed without any timeout, allowing them to stall...

CVE-2026-62326 Weblate Has Uncontrolled Resource Consumption via

Weblate is a web-based continuous localization platform used to manage software translations. In versions prior to 2026.7, a user with the built-in "Edit source" role can store a malicious regular expression in a source string's flags that is executed without any timeout, allowing them to stall...

Regular Expression Denial of Service (ReDoS)

Overview nltk is a Natural Language Toolkit NLTK is a Python package for natural language processing. Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS in TokenSearcher.findall and Text.findall in nltk/text.py. An attacker can pin a Python worker and...

PYSEC-2026-3751

NLTK before 3.10.3 contains a regular expression denial of service ReDoS vulnerability in the tgrep module. The tgrepnodeaction function compiles user-supplied regular expressions embedded in /regex/ pattern nodes and executes them via re.search against tree node labels without any validation or...