CVE-2026-40042

CRITICAL

Pachno 1.0.6 contains an XML external entity injection vulnerability that allows unauthenticated attackers to read arbitrary files by exploiting unsafe XML parsing in the TextParser helper. Attackers can inject malicious XML entities through wiki table syntax and inline tags in issue descriptions, comments, and wiki articles to trigger entity resolution via simplexml_load_string() without LIBXML_NONET restrictions.

CVSS v3.1 Score

9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 4/13/2026Modified: 4/17/2026

Related Intelligence (0)

No articles currently reference this CVE.

References (2)

https://www.vulncheck.com/advisories/pachno-wiki-textparser-xml-external-entity-injectionhttps://www.zeroscience.mk/en/vulnerabilities/ZSL-2026-5984.php