GHSA-9m3x-qqw2-h32h: picklescan (CVE-2026-53874)

picklescan missing detection by simple obfuscation of a `builtins.eval` call

CVSS 9.3 CriticalCriticalEPSS 0.0052 · 44th percentile

Critical, because:

CVSS score 9.3: 9.0 or more.

Published by the GitHub Advisory Database at 2 Feb 2026, 20:45 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

Package	Ecosystem	Affected	Fixed in
picklescan	PyPI	<1.0.1	1.0.1

Identifiers

GHSA-9m3x-qqw2-h32h · CVE-2026-53874 · PYSEC-2026-1789

Weakness (CWE)

CWE-502

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.3	Critical	4.0	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	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0052, the 44th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

17 Jun 2026, 15:05 UTC Confirmed by the CVE List

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.