CVE-2026-40042

CRITICAL

9.8

Description

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/13/2026

Last Modified4/17/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-403

References

https://www.vulncheck.com/advisories/pachno-wiki-textparser-xml-external-entity-injection(disclosure@vulncheck.com)

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2026-5984.php(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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