CVE-2026-8644
CRITICALCVSS 9.1/10EPSS 0.33%
Last modified
CVE-2026-8644 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to identity spoofing.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.
Description
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to identity spoofing.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ibm | Websphere Application Server | >= 8.5.0.0, < 8.5.5.30 |
| Ibm | Websphere Application Server | >= 9.0.0.0, < 9.0.5.29 |
References
- https://www.ibm.com/support/pages/node/7274740Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-8644?
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to identity spoofing.
How severe is CVE-2026-8644?
CVE-2026-8644 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.
How do I fix CVE-2026-8644?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Same Subject, Wrong User: A Cross-Issuer Account Takeover in n8nStrix found an identity-binding bug in n8n's token-exchange flow enabling account takeover.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-86434league/commonmark versions >= 2.0.0 and < 2.8.4 (patched in …7.5
- CVE-2026-86435commonmark versions from 1.5.0 before 2.8.4 contain a denial…7.5
- CVE-2026-86436Lara Dashboard before 1.3.2 fails to authorize access to the…5.4
- CVE-2026-86437Lara Dashboard before 1.3.2 authorizes the POST /admin/setti…7.2
- CVE-2026-86438Lara Dashboard before 1.3.2 fails to authorize the Marketpla…7.2
- CVE-2026-86439knowns versions before 0.30.0 fail to validate filesystem pa…8.8
- CVE-2026-86440Affected versions of MISP insufficiently validate URLs used …5.4
- CVE-2026-86441Affected versions of MISP contain inconsistent authorization…4.3
- CVE-2026-86443Cleartext storage of sensitive information in the DuoxMe app…6.9
- CVE-2026-86444The LearnPress WordPress plugin before 4.4.7 does not escap…7.1
- CVE-2026-86445The LearnPress WordPress plugin before 4.4.7 does not check…5.3
- CVE-2026-86446The LearnPress WordPress plugin before 4.4.7 does not restr…3.7
Are you affected by CVE-2026-8644?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST