CVE-2026-40042
Pachno 1.0.6 Wiki TextParser XML External Entity Injection
- State
- Published
- Severity
- 9.3 Critical
- Published
- Apr 13, 2026
- Updated
- May 12, 2026
- Reserved
- Apr 8, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-403 Exposure of File Descriptor to Unintended Control Sphere ('File Descriptor Leak')
Affected Products
| Product | Versions |
|---|---|
PachnoPachno |
|
References
- Zero Science Lab Disclosurethird-party-advisory
- VulnCheck Advisory: Pachno 1.0.6 Wiki TextParser XML External Entity Injectionthird-party-advisory
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