What is CVE-2026-85532?

CVE-2026-85532 is a high-severity vulnerability in Apache Software Foundation Wss4j, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-09-30.

How severe is CVE-2026-85532?

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

Improper input validation in Apache Software Foundation Wss4j

CVE-2026-85532

Apache WSS4J accepted attacker-controlled derived-key lengths and offsets without adequate bounds. This could permit cryptographically weak keys or excessive CPU and memory consumption when processing crafted WS-Security messages. The fixes enforce a minimum key length of 16 bytes, a maximum length of 512 bytes, and a maximum offset of 4096 bytes. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue.

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

Published 2026-09-30 · last modified 2026-09-30.

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:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Apache Software Foundation Wss4j

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

lists.apache.org/thread.html/7jllcpbf4nbzhdp2vchz5yplnl5w6vd6 (vendor-advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-85532?: CVE-2026-85532 is a high-severity vulnerability in Apache Software Foundation Wss4j, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-09-30.
How severe is CVE-2026-85532?: High severity. CVSS v3 base score is 7.5 out of 10.