What is CVE-2026-65604?

CVE-2026-65604 is a high-severity vulnerability in Zalando Skipper, classified under Improper Input Validation. CVSS score: 8.2/10. Published 2026-07-23.

How severe is CVE-2026-65604?

High severity. CVSS v3 base score is 8.2 out of 10.

Improper input validation in Zalando Skipper

CVE-2026-65604

Skipper contains an incomplete fix for CVE-2026-50197 in which oversized request bodies bypass Open Policy Agent (OPA) deny-on-presence Rego policies. When a request body exceeds the configured maxBodyBytes limit, Skipper forwards the full…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.

Affected products

Zalando Skipper

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

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

Frequently asked questions

What is CVE-2026-65604?: CVE-2026-65604 is a high-severity vulnerability in Zalando Skipper, classified under Improper Input Validation. CVSS score: 8.2/10. Published 2026-07-23.
How severe is CVE-2026-65604?: High severity. CVSS v3 base score is 8.2 out of 10.