How severe is CVE-2023-26281?

CVE-2023-26281 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-26281 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26281?

CVE-2023-26281 affects Ibm Http Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26281?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-26281 published?

CVE-2023-26281 was published on 2023-03-01 and last updated on 2026-06-17.

CVE-2023-26281

CVE-2023-26281 is a medium-severity vulnerability in Ibm Http Server with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Ibm Http Server
Published: 2023-03-01
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2023-26281?: CVE-2023-26281 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-26281 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26281?: CVE-2023-26281 affects Ibm Http Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26281?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-26281 published?: CVE-2023-26281 was published on 2023-03-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:http_server:8.5.0.0:*:*:*:*:*:*:*

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