CVE-2026-8835
CVE-2026-8835 is a high-severity vulnerability in Ibm Http Server with a CVSS 3.x base score of 7.3. 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-822.
Key facts
- Severity: High (CVSS 3.x base score 7.3)
- EPSS exploit prediction: 0% (16th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-31918
- Weakness: CWE-822
- Affected product: Ibm Http Server
- Published:
- Last modified:
Description
IBM HTTP Server 8.5, and 9.0 is vulnerable to invalid pointer dereference. A privileged user, authenticated to the Administration Server, could exploit this vulnerability to expose sensitive information or cause a denial of service.
Frequently asked questions
- What is CVE-2026-8835?
- IBM HTTP Server 8.5, and 9.0 is vulnerable to invalid pointer dereference. A privileged user, authenticated to the Administration Server, could exploit this vulnerability to expose sensitive information or cause a denial of service.
- How severe is CVE-2026-8835?
- CVE-2026-8835 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
- Is CVE-2026-8835 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-8835?
- CVE-2026-8835 affects Ibm Http Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-8835?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-8835 have an EU (EUVD) identifier?
- Yes. CVE-2026-8835 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31918.
- When was CVE-2026-8835 published?
- CVE-2026-8835 was published on 2026-05-26 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:ibm:http_server:*:*:*:*:*:*:*:*
More vulnerabilities in Ibm Http Server
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- CVE-2004-0492 — Critical (CVSS 10.0): Heap-based buffer overflow in proxy_util.c for mod_proxy in Apache 1.3.25 to 1.3.31 allows remote attackers to cause a…
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- CVE-2015-4947 — Critical (CVSS 9.0): Stack-based buffer overflow in the Administration Server in IBM HTTP Server 6.1.0.x through 6.1.0.47, 7.0.0.x before…
- CVE-2026-8855 — High (CVSS 8.1): IBM HTTP Server 8.5, and 9.0 is vulnerable to remote code execution and denial of service in configurations with TLS…
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