n8n Node.js Package < 1.123.9 / 2.x < 2.2.1 Stored XSS (CVE-2026-25054)

The version of the n8n Node.js Package installed on the remote host is prior to 1.123.9, or 2.x prior to 2.2.1. It is, therefore, affected by a stored cross-site scripting vulnerability: - A cross-site scripting XSS vulnerability existed in a markdown rendering component used in n8n's interface,...

Exploit for CVE-2026-20841

CVE-2026-20841 - Windows Notepad RCE PoC for a remote code ex...

CVE-2026-1456

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an unauthenticated user to cause denial of service through CPU exhaustion by submitting specially crafted markdown files that trigger exponential processin...

Pentora

Pentora v1.0 Pentora is a terminal-first web vulnerability...

ThreatsDay Bulletin: AI Prompt RCE, Claude 0-Click, RenEngine Loader, Auto 0-Days & 25+ Stories

Threat activity this week shows one consistent signal — attackers are leaning harder on what already works. Instead of flashy new exploits, many operations are built around quiet misuse of trusted tools, familiar workflows, and overlooked exposures that sit in plain sight. Another shift is how...

Exploit for CVE-2026-20841

CVE-2026-20841 - Windows Notepad RCE PoC for a remote code ex...

GHSA-38C4-R59V-3VQW markdown-it is has a Regular Expression Denial of Service (ReDoS)

Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service ReDoS due to the use of the regex /+$/ in the linkify function. An attacker can supply a long sequence of characters followed by a non-matching character, which triggers...

11ty-nunjucks-md (1.0.0), 20ful (>=0.3.2, <=0.3.5) +2715 more potentially affected by CVE-2026-2327 via markdown-it (>=13.0.0, <=14.1.0)

markdown-it NPM version =13.0.0, =0.3.2, =0.0.2, =2.0.0-beta.1, =0.3.1, =0.42.46, =2.0.4, =0.0.1, =0.33.4, =0.3.0, =10.22.0, =3.7.0-beta.1, =3.9.0-beta.1, =3.9.3 and more Source cves: CVE-2026-2327 Source advisory: OSV:GHSA-38C4-R59V-3VQW...

markdown-it is has a Regular Expression Denial of Service (ReDoS)

Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service ReDoS due to the use of the regex /+$/ in the linkify function. An attacker can supply a long sequence of characters followed by a non-matching character, which triggers...

11ty-nunjucks-md (1.0.0), 20ful (>=0.3.2, <=0.3.5) +2715 more potentially affected by CVE-2026-2327 via markdown-it (>=13.0.0, <=14.1.0)

markdown-it NPM version =13.0.0, =0.3.2, =0.0.2, =2.0.0-beta.1, =0.3.1, =0.42.46, =2.0.4, =0.0.1, =0.33.4, =0.3.0, =10.22.0, =3.7.0-beta.1, =3.9.0-beta.1, =3.9.3 and more Source cves: CVE-2026-2327 Source advisory: GHSA-38C4-R59V-3VQW...

CVE-2026-2327

Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service ReDoS due to the use of the regex /+$/ in the linkify function. An attacker can supply a long sequence of characters followed by a non-matching character, which triggers...

UBUNTU-CVE-2026-2327

Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service ReDoS due to the use of the regex /+$/ in the linkify function. An attacker can supply a long sequence of characters followed by a non-matching character, which triggers...

CVE-2026-2327

Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service ReDoS due to the use of the regex /+$/ in the linkify function. An attacker can supply a long sequence of characters followed by a non-matching character, which triggers...

CVE-2026-2327

Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service ReDoS due to the use of the regex /+$/ in the linkify function. An attacker can supply a long sequence of characters followed by a non-matching character, which triggers...

CVE-2026-2327

The CVE-2026-2327 case concerns the markdown-it package. Affected versions: 13.0.0 through 14.1.0 (and up to 14.1.1 as fixed) are vulnerable to a Regular Expression Denial of Service in the linkify function due to the regex /*$/ used for links; an attacker can provide a long sequence of * follow...

CVE-2026-2327

Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service ReDoS due to the use of the regex /+$/ in the linkify function. An attacker can supply a long sequence of characters followed by a non-matching character, which triggers...

11ty-nunjucks-md (1.0.0), 20ful (>=0.3.2, <=0.3.5) +2715 more potentially affected by CVE-2026-2327 via markdown-it (>=13.0.0, <=14.1.0)

markdown-it NPM version =13.0.0, =0.3.2, =0.0.2, =2.0.0-beta.1, =0.3.1, =0.42.46, =2.0.4, =0.0.1, =0.33.4, =0.3.0, =10.22.0, =3.7.0-beta.1, =3.9.0-beta.1, =3.9.3 and more Source cves: CVE-2026-2327 Source advisory: MEND:CVE-2026-2327...

CVE-2026-2327

Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service ReDoS due to the use of the regex /+$/ in the linkify function. An attacker can supply a long sequence of characters followed by a non-matching character, which triggers...

CVE-2026-2327

Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service ReDoS due to the use of the regex /+$/ in the linkify function. An attacker can supply a long sequence of characters followed by a non-matching character, which triggers...

CVE-2026-2327

Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service ReDoS due to the use of the regex /+$/ in the linkify function. An attacker can supply a long sequence of characters followed by a non-matching character, which triggers...