CVE-2026-82726 AshPhoenix get_subdomain maps a crafted or differently-cased Host header to an arbitrary tenant

Permissive Regular Expression vulnerability in ash-project ashphoenix lets a remote client select the tenant an Ash application uses, or degrade the request, by sending a crafted Host header. AshPhoenix.Helpers.getsubdomain/2 stripped the root domain with String.replacehost, r/.?roothost/, "". Th...

CVE-2026-82726: Permissive Regular Expression

Permissive Regular Expression vulnerability in ash-project ashphoenix lets a remote client select the tenant an Ash application uses, or degrade the request, by sending a crafted Host header. AshPhoenix.Helpers.getsubdomain/2 stripped the root domain with String.replacehost, r/.?roothost/, "". Th...

CVE-2024-58379: Inefficient Regular Expression Complexity

nodemailer before 6.9.9 contains a regular expression denial of service vulnerability in email parsing when attachDataUrls parameter is set or processing embedded file attachments. Attackers can send specially crafted emails with malicious data URLs or embedded attachments to cause the event loop...

GHSA-X7RJ-F32V-7JJG Phalcon: Catastrophic backtracking (ReDoS) in the default Phalcon Router route lead to remote unauthenticated DoS

Summary Every Phalcon MVC application built with a default router new Phalcon\Mvc\Router or new Phalcon\Mvc\Routertrue, which is the normal case registers a built-in route whose compiled PCRE pattern is ^/\w0-9\-+/\w0-9.+/.$u. The trailing /. is a nested quantifier whose group body /. overlaps...

CVE-2026-3129 LiteSpeed Cache <= 7.7 - Authenticated (Author+) Stored Cross-Site Scripting via img Tag Attributes

The LiteSpeed Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via crafted tag attributes in all versions up to, and including, 7.7. This is due to a flawed regular expression that is used to strip width and height attributes from images when the "Lazy Load Images" and "Add...

PT-2026-82864

The LiteSpeed Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via crafted tag attributes in all versions up to, and including, 7.7. This is due to a flawed regular expression that is used to strip width and height attributes from images when the "Lazy Load Images" and "Add...

CVE-2026-81725

NLTK before 3.10.3 contains a regular expression denial of service vulnerability in Pl196xCorpusReader that allows attackers to cause quadratic CPU consumption by supplying malformed TEI blocks with many unmatched opening tags. Attackers can exploit lazy regex patterns in the readblock method...

CVE-2026-81725

NLTK before 3.10.3 contains a regular expression denial of service vulnerability in Pl196xCorpusReader that allows attackers to cause quadratic CPU consumption by supplying malformed TEI blocks with many unmatched opening tags. Attackers can exploit lazy regex patterns in the readblock method...

USN-8684-1 perl vulnerabilities

It was discovered that Perl incorrectly handled certain arguments to Socket and pack/unpack functions. An attacker could possibly use this issue to read sensitive information from memory. CVE-2026-12087, CVE-2026-57432 It was discovered that Perl incorrectly handled regular expressions with a lar...

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 , a web-based continuous localization platform, contains an uncontrolled resource consumption vulnerability 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 (via the regex: quality check or regex ...

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...

SUSE CVE-2026-79770

Nokogiri versions before 1.19.3 contain regular expression denial of service vulnerabilities in the CSS selector tokenizer affecting string-literal and identifier tokenization. Attackers can inject adversarial CSS selectors into methods like Nodecss, Nodeatcss, and Searchablesearch to cause...

CVE-2026-14664

A flaw was found in PostgreSQL. A heap buffer overflow vulnerability exists in the regexp component, which can be triggered by a query author providing text that does not pass encoding validation. This can lead to unanticipated data growth, allowing the attacker to execute arbitrary code as the...

CVE-2026-80206

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...

CVE-2026-80206

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...

UBUNTU-CVE-2026-80206

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...

CVE-2026-80205

NLTK versions before 3.10.0 contain a regular expression denial of service vulnerability in Text.findall and TokenSearcher.findall methods that accept user-supplied regular expressions without validation or timeout. Attackers can supply crafted regex patterns that cause catastrophic backtracking,...

UBUNTU-CVE-2026-80205

NLTK versions before 3.10.0 contain a regular expression denial of service vulnerability in Text.findall and TokenSearcher.findall methods that accept user-supplied regular expressions without validation or timeout. Attackers can supply crafted regex patterns that cause catastrophic backtracking,...

Security Bulletin: IBM Integrated Analytics System (IIAS) is affected by a Regular Expression Denial of Service vulnerability due to Python idna library

Summary The idna library is used by IBM Integrated Analytics System as a Python library for Internationalized Domain Names in Applications IDNA encoding and decoding. CVE-2026-45409 affects idna versions prior to the fix, where the idna.encode function is vulnerable to Regular Expression Denial o...