7.5

CVE-2023-26281: ibm http_server Improper Input Validation

CVSS: 7.5v3.1HighModified
Published 28-02-2023Last modified 06-03-2025

Vulnerability summary

CVE-2023-26281 is a high (CVSS 7.5) Improper Input Validation vulnerability in ibm http_server. EPSS estimates a 1.12% chance of exploitation in the next 30 days, higher than 65.5% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.12%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 28-02-2023
    PublishedVulnerability first disclosed.
  2. 06-03-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.12%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

0.00 pp

From 1.12% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.12%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ibm1 product

1 vendor · 1 product

References

2 links