What is CVE-2026-53872?

CVE-2026-53872 is a high-severity vulnerability in Picklescan, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-06-17.

How severe is CVE-2026-53872?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Picklescan

CVE-2026-53872

picklescan before 0.0.35 contains an unsafe pickle deserialization vulnerability allowing unauthenticated attackers to read arbitrary server files by chaining io.FileIO and urllib.request.urlopen. Attackers can bypass RCE-focused blocklist…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Picklescan — versions 0, 0.0.35

Weakness classification (CWE)

CWE-22 — Path Traversal

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-53872?: CVE-2026-53872 is a high-severity vulnerability in Picklescan, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-06-17.
How severe is CVE-2026-53872?: High severity. CVSS v3 base score is 7.5 out of 10.