CVE-2026-40044
Critical
Description
Pachno 1.0.6 contains a deserialization vulnerability that allows unauthenticated attackers to execute arbitrary code by injecting malicious serialized objects into cache files. Attackers can write PHP object payloads to world-writable cache files with predictable names in the cache directory, which are unserialized during framework bootstrap before authentication checks occur.
SeverityCritical
CVSS9.8
Exploit probability42. percentile0.5%
ProductPachno
PublishedApr 13, 2026
First seenApr 13, 2026
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Pachno Pachno | 1.0.6 | — |
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