PT-2026-32498 · Pachno · Pachno

Published 2026-04-13 · Updated 2026-04-14 · CVE-2026-40044

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Pachno version 1.0.6

Description A deserialization flaw 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.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2026-40044

Affected Products

Pachno

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-40044 · Security Note
• https://zeroscience.mk/en/vulnerabilities/ZSL-2026-5986.php · Note
• https://twitter.com/0dayPublishing/status/2043772398885883994 · Twitter Post
• https://twitter.com/CveFindCom/status/2043777043066687722 · Twitter Post
• https://twitter.com/infoflowcloud/status/2043977880779063805 · Twitter Post
• https://twitter.com/CVEnew/status/2043976216739230077 · Twitter Post
• https://vulncheck.com/advisories/pachno-filecache-deserialization-remote-code-execution · Note