What is CVE-2023-26281?

CVE-2023-26281 is a medium-severity vulnerability in HP Hp-Ux, classified under Improper Input Validation. CVSS score: 5.9/10. Published 2023-03-01.

How severe is CVE-2023-26281?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Improper input validation in HP Hp-Ux

CVE-2023-26281

IBM HTTP Server 8.5 used by IBM WebSphere Application Server could allow a remote user to cause a denial of service using a specially crafted URL. IBM X-Force ID: 248296.

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

Published 2023-03-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.011 (64.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.ibm.com/support/pages/node/6958522 (vendor-advisory, Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/248296 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2023-26281?: CVE-2023-26281 is a medium-severity vulnerability in HP Hp-Ux, classified under Improper Input Validation. CVSS score: 5.9/10. Published 2023-03-01.
How severe is CVE-2023-26281?: Medium severity. CVSS v3 base score is 5.9 out of 10.