CVE-2026-15057: CWE-787 Out-of-bounds Write in IBM WebSphere Application Server - Liberty
IBM WebSphere Application Server - Liberty versions 17.0.0.3 through 26.0.0.7 contain an out-of-bounds write vulnerability (CWE-787) that can lead to denial of service due to uncontrolled heap allocation. The vulnerability has a high severity with a CVSS score of 7.5. No official patch or remediation information is currently available.
AI Analysis
Technical Summary
CVE-2026-15057 is an out-of-bounds write vulnerability in IBM WebSphere Application Server - Liberty affecting versions 17.0.0.3 through 26.0.0.7. This vulnerability can cause uncontrolled heap allocation resulting in denial of service. The CVSS v3.1 base score is 7.5, indicating high severity. There is no vendor advisory or patch information provided, and no known exploits in the wild have been reported.
Potential Impact
Successful exploitation of this vulnerability can cause denial of service by triggering uncontrolled heap allocation, potentially impacting availability of the affected IBM WebSphere Application Server - Liberty instances. There is no indication of confidentiality or integrity impact.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider limiting exposure of affected versions and monitor for updates from IBM.
CVE-2026-15057: CWE-787 Out-of-bounds Write in IBM WebSphere Application Server - Liberty
Description
IBM WebSphere Application Server - Liberty versions 17.0.0.3 through 26.0.0.7 contain an out-of-bounds write vulnerability (CWE-787) that can lead to denial of service due to uncontrolled heap allocation. The vulnerability has a high severity with a CVSS score of 7.5. No official patch or remediation information is currently available.
CVSS v3.1
Score 7.5high
Affected software
IBM
WebSphere Application Server - Liberty
cpe:2.3:a:ibm:websphere_application_server___liberty:17.0.0.3:*:*:*:*:*:*:*cpe:2.3:a:ibm:websphere_application_server___liberty:26.0.0.7:*:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-15057 is an out-of-bounds write vulnerability in IBM WebSphere Application Server - Liberty affecting versions 17.0.0.3 through 26.0.0.7. This vulnerability can cause uncontrolled heap allocation resulting in denial of service. The CVSS v3.1 base score is 7.5, indicating high severity. There is no vendor advisory or patch information provided, and no known exploits in the wild have been reported.
Potential Impact
Successful exploitation of this vulnerability can cause denial of service by triggering uncontrolled heap allocation, potentially impacting availability of the affected IBM WebSphere Application Server - Liberty instances. There is no indication of confidentiality or integrity impact.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider limiting exposure of affected versions and monitor for updates from IBM.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-08T13:47:02.097Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a6913179c2644c7f82b8b23
Added to database: 07/28/2026, 20:37:43 UTC
Last enriched: 08/05/2026, 14:59:53 UTC
Last updated: 09/11/2026, 19:31:53 UTC
Views: 77
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.