nodejs: Node.js: Remote memory exhaustion via HTTP/2 retained header blocks

A flaw was found in Node.js's handling of HTTP/2. This vulnerability allows a remote attacker to bypass maxSessionMemory limits by sending specially crafted HTTP/2 retained header blocks. This can lead to memory exhaustion, resulting in a denial of service DoS for the affected system...

CVE-2026-82652 SiYuan before v3.8.1 Information Disclosure via Publish Access

SiYuan before v3.8.1 fails to filter invisible-tier content from SQL embed blocks, attribute-view keys, and attribute-view backlinks in publish mode. Anonymous readers can enumerate invisible content through these three listing mechanisms despite admin configuration marking content unlisted...

CVE-2026-82652

SiYuan before v3.8.1 fails to filter invisible-tier content from SQL embed blocks, attribute-view keys, and attribute-view backlinks in publish mode. Anonymous readers can enumerate invisible content through these three listing mechanisms despite admin configuration marking content unlisted...

CVE-2026-82652

SiYuan before v3.8.1 is affected by an information disclosure vulnerability in publish mode . The application fails to filter invisible-tier content from three listing mechanisms: SQL embed blocks , attribute-view keys , and attribute-view backlinks . As a result, anonymous readers can enumerate ...

CVE-2026-82652 SiYuan before v3.8.1 Information Disclosure via Publish Access

SiYuan before v3.8.1 fails to filter invisible-tier content from SQL embed blocks, attribute-view keys, and attribute-view backlinks in publish mode. Anonymous readers can enumerate invisible content through these three listing mechanisms despite admin configuration marking content unlisted...

CVE-2026-82652: Exposure of Resource to Wrong Sphere

SiYuan before v3.8.1 fails to filter invisible-tier content from SQL embed blocks, attribute-view keys, and attribute-view backlinks in publish mode. Anonymous readers can enumerate invisible content through these three listing mechanisms despite admin configuration marking content unlisted...

PT-2026-83578

SiYuan before v3.8.1 fails to filter invisible-tier content from SQL embed blocks, attribute-view keys, and attribute-view backlinks in publish mode. Anonymous readers can enumerate invisible content through these three listing mechanisms despite admin configuration marking content unlisted...

Duplicate Advisory: Pl196xCorpusReader has quadratic ReDoS on malformed TEI blocks

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-8mpw-7fpc-4gqj. This link is maintained to preserve external references. Original Description NLTK before 3.10.3 contains a regular expression denial of service vulnerability in Pl196xCorpusReader that allows...

GHSA-3M7F-6HXV-6796 Duplicate Advisory: Pl196xCorpusReader has quadratic ReDoS on malformed TEI blocks

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-8mpw-7fpc-4gqj. This link is maintained to preserve external references. Original Description NLTK before 3.10.3 contains a regular expression denial of service vulnerability in Pl196xCorpusReader that allows...

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...

PYSEC-2026-3752

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...

PYSEC-2026-3752

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...

UBUNTU-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...

WordPress Nexter Blocks plugin < 5.0.2 - Contributor+ Stored CSS Injection vulnerability

Contributor+ Stored CSS Injection vulnerability discovered by Vaibhav Narkhede in WordPress Plugin Nexter Blocks versions 5.0.2...

CVE-2026-81753: Improper Neutralization of Input During Web Page Generation

Affected versions of Flowintel render Mermaid blocks contained in stored case notes without sufficiently neutralizing attacker-controlled markup. Because Mermaid note content is persisted and later rendered for other users, an attacker with permission to create or edit a note could store a crafte...

PT-2026-82620

Name of the Vulnerable Software and Affected Versions NLTK versions prior to 3.10.3 Description A regular expression denial of service exists in Pl196xCorpusReader. An attacker can cause quadratic CPU consumption by providing malformed TEI Text Encoding Initiative blocks containing numerous...

CVE-2026-3002 Gutenverse <= 4.0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Multiple Blocks

The Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the multiple blocks in all versions up to, and including, 4.0.2 due to insufficient input sanitization and output escaping. This makes it possible for...

CVE-2026-3002

Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem plugin is vulnerable to Stored Cross-Site Scripting in multiple blocks (including animated-text, team, and chart) in all versions up to and including 4.0.2 . The root cause is insufficient input sanitization and output escaping , allow...

CVE-2026-3002: Improper Neutralization of Input During Web Page Generation

The Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the multiple blocks in all versions up to, and including, 4.0.2 due to insufficient input sanitization and output escaping. This makes it possible for...