CVE-2024-58382 league/commonmark before 2.6.0 Denial of Service via Quadratic Complexity

league/commonmark versions before 2.6.0 contain polynomial time complexity vulnerabilities in Markdown parsing that allow attackers to cause denial of service. Attackers can submit carefully crafted Markdown inputs designed to trigger worst-case performance, and sending multiple requests in...

CVE-2026-86751: External Control of File Name or Path

Snipe-IT before 8.7.0 fails to properly sanitize markdown image syntax in note fields, allowing authenticated users to read arbitrary server files and issue server-side HTTP requests. Attackers can submit markdown image syntax in checkout acceptance notes that survive HTML escaping, are expanded ...

CVE-2024-58382: Inefficient Algorithmic Complexity

league/commonmark versions before 2.6.0 contain polynomial time complexity vulnerabilities in Markdown parsing that allow attackers to cause denial of service. Attackers can submit carefully crafted Markdown inputs designed to trigger worst-case performance, and sending multiple requests in...

PT-2026-95884

TuxCare rebuilt league/commonmark to address 4 CVEs. Fixed in 2.7.1-p3+tuxcare...

PT-2026-88990

league/commonmark versions before 2.6.0 contain polynomial time complexity vulnerabilities in Markdown parsing that allow attackers to cause denial of service. Attackers can submit carefully crafted Markdown inputs designed to trigger worst-case performance, and sending multiple requests in...

PT-2026-89020

Snipe-IT before 8.7.0 fails to properly sanitize markdown image syntax in note fields, allowing authenticated users to read arbitrary server files and issue server-side HTTP requests. Attackers can submit markdown image syntax in checkout acceptance notes that survive HTML escaping, are expanded ...

PT-2026-95883

TuxCare rebuilt league/commonmark to address 4 CVEs. Fixed in 2.8.2-p3+tuxcare...

CVE-2026-86734

Snipe-IT before 8.7.1 fails to validate the length of the note field in the POST /account/accept/acceptance endpoint, allowing authenticated users to submit unbounded input that reaches synchronous CommonMark rendering. Attackers can submit large note values to exhaust PHP worker CPU and cause...

CVE-2026-86734 Snipe-IT before 8.7.1 Denial of Service via Unbounded Note Field

Snipe-IT before 8.7.1 fails to validate the length of the note field in the POST /account/accept/acceptance endpoint, allowing authenticated users to submit unbounded input that reaches synchronous CommonMark rendering. Attackers can submit large note values to exhaust PHP worker CPU and cause...

EUVD-2026-72870

Snipe-IT before 8.7.1 fails to validate the length of the note field in the POST /account/accept/acceptance endpoint, allowing authenticated users to submit unbounded input that reaches synchronous CommonMark rendering. Attackers can submit large note values to exhaust PHP worker CPU and cause...

CVE-2026-86734 Snipe-IT before 8.7.1 Denial of Service via Unbounded Note Field

Snipe-IT before 8.7.1 fails to validate the length of the note field in the POST /account/accept/acceptance endpoint, allowing authenticated users to submit unbounded input that reaches synchronous CommonMark rendering. Attackers can submit large note values to exhaust PHP worker CPU and cause...

CVE-2026-86734

Snipe-IT versions before 8.7.1 are affected by a denial-of-service vulnerability in the POST /account/accept/{acceptance} endpoint. The root cause is the absence of length validation on the note field , allowing authenticated users to submit arbitrarily large values that trigger synchronous Commo...

CVE-2026-86734

Snipe-IT before 8.7.1 fails to validate the length of the note field in the POST /account/accept/acceptance endpoint, allowing authenticated users to submit unbounded input that reaches synchronous CommonMark rendering. Attackers can submit large note values to exhaust PHP worker CPU and cause...

CVE-2026-86734 Snipe-IT before 8.7.1 Denial of Service via Unbounded Note Field

Snipe-IT before 8.7.1 fails to validate the length of the note field in the POST /account/accept/acceptance endpoint, allowing authenticated users to submit unbounded input that reaches synchronous CommonMark rendering. Attackers can submit large note values to exhaust PHP worker CPU and cause...

CVE-2026-86734: Uncontrolled Resource Consumption

Snipe-IT before 8.7.1 fails to validate the length of the note field in the POST /account/accept/acceptance endpoint, allowing authenticated users to submit unbounded input that reaches synchronous CommonMark rendering. Attackers can submit large note values to exhaust PHP worker CPU and cause...

PT-2026-87131

Snipe-IT before 8.7.1 fails to validate the length of the note field in the POST /account/accept/acceptance endpoint, allowing authenticated users to submit unbounded input that reaches synchronous CommonMark rendering. Attackers can submit large note values to exhaust PHP worker CPU and cause...

Inefficient Algorithmic Complexity

Overview league/commonmark is a PHP-based Markdown parser which supports the full CommonMark spec. It is based on the CommonMark JS reference implementation. Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity through the AttributesListener::findTargetAndDirecti...

Cross-site Scripting (XSS)

Overview league/commonmark is a PHP-based Markdown parser which supports the full CommonMark spec. It is based on the CommonMark JS reference implementation. Affected versions of this package are vulnerable to Cross-site Scripting XSS through AttributesHelper::filterAttributes in...

Inefficient Algorithmic Complexity

Overview league/commonmark is a PHP-based Markdown parser which supports the full CommonMark spec. It is based on the CommonMark JS reference implementation. Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity through the AttributesListener::processDocument and...

Inefficient Algorithmic Complexity

Overview league/commonmark is a PHP-based Markdown parser which supports the full CommonMark spec. It is based on the CommonMark JS reference implementation. Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity due to quadratic reference link label lookup in...