CVE-2026-10842
IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by a security bypass vulnerability
02 Description
IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by a security bypass vulnerability
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.52% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 44.2% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-08-05.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-07-30 15:57Z3 MO AGO
- Last updated
- 2026-07-30 17:37Z3 MO AGO
- Reserved
- 2026-06-04
- Assigning CNA
- ibm
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-289Authentication Bypass by Alternate NameBase
- Data version
- 5.2
- Document digest
- 1478611719f39f9364696d8e5d1ef126811ad03652d6792f04f3efee72137c16
05 Affected products
06 References
07 Remediation
IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR PH71893 and PH71916 . To determine if a feature is enabled for WebSphere Application Server Liberty, refer to How to determine if Liberty is using a specific feature https://www.ibm.com/support/pages/node/6553910 . For IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.7 using appSecurity-1.0, appSecurity-2.0 , appSecurity-3.0 and appSecurity-4.0 features: · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH71916 https://www.ibm.com/support/pages/node/7280086 --OR-- · Apply Fix Pack 26.0.0.8 or later (targeted availability 3Q2026). For IBM WebSphere Application Server traditional: For V9.0.0.0 through 9.0.5.28: · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH71893 https://www.ibm.com/support/pages/node/7280079 --OR-- · Apply Fix Pack 9.0.5.29 or later (targeted availability 3Q2026). For V8.5.0.0 through 8.5.5.30: · Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix that resolves PH71893 https://www.ibm.com/support/pages/node/7280079 --OR-- · Apply Fix Pack 8.5.5.31 or later (targeted availability 3Q2026). Additional interim fixes may be available and linked off the interim fix download page.