CVE-2026-15057
CVE-2026-15057 is a high-severity vulnerability in Ibm Websphere Application Server with a CVSS 3.x base score of 7.5. 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-787.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 0% (18th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Ibm Websphere Application Server
- Published:
- Last modified:
Description
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is vulnerable to a denial of service due to uncontrolled heap allocation.
Frequently asked questions
- What is CVE-2026-15057?
- IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is vulnerable to a denial of service due to uncontrolled heap allocation.
- How severe is CVE-2026-15057?
- CVE-2026-15057 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2026-15057 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-15057?
- CVE-2026-15057 affects Ibm Websphere Application Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-15057?
- 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.
- When was CVE-2026-15057 published?
- CVE-2026-15057 was published on 2026-07-28 and last updated on 2026-08-05.
References
Affected products (1)
- cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*
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- CVE-2011-1377 — Critical (CVSS 10.0): The Web Services Security component in the Web Services Feature Pack before 6.1.0.41 for IBM WebSphere Application…
- CVE-2010-3186 — Critical (CVSS 10.0): IBM WebSphere Application Server (WAS) 7.x before 7.0.0.13, and WebSphere Application Server Feature Pack for Web…
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