CVE-2026-93895
Ibm Websphere Application Server: access control flaw
- Risk score
- 67/100
- CVSS
- 9.1 v3.1
- Exploit chance (30 days)
- 0.4%
- Published
- 13 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- IBM WebSphere Application Server - Liberty 20.0.0.12 through 26.0.0.10 could allow an unauthenticated remote attacker to bypass access controls configured on gRPC service methods.
- Affected
- Ibm Websphere Application Server
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Story map
At a glance
Ibm Websphere Application Server: Amber, patch this week. IBM WebSphere Application Server - Liberty 20.0.0.12 through 26.0.0.10 could allow an unauthenticated remote attacker to bypass access controls configured on gRPC service methods.
The flaws
- CVE-2026-93895: Access control flaw (CVSS 9.1 · EPSS 0%)
- CVE-2026-93909: Authentication bypass (CVSS 9.1 · EPSS 0%)
- CVE-2026-95695: Incorrect authorisation (CVSS 9.1 · EPSS 0%)
- CVE-2026-93905: Unsafe deserialisation (CVSS 8.2 · EPSS 0%)
The fix
Fix: Apply the vendor's security update; see the linked advisory.
Who is exposed: Ibm Websphere Application Server
Where it stands
- No known exploitation
Connects to
- Same weakness: Access control flaw (CWE-284). 325 other warnings in 30 days
- Same product: Earlier Ibm Websphere Application Server warnings. 1 in the last 90 days
Why it is Amber
- CVSS 9.1 critical
- Remotely exploitable without logging in
References
Original description
IBM WebSphere Application Server - Liberty 20.0.0.12 through 26.0.0.10 could allow an unauthenticated remote attacker to bypass access controls configured on gRPC service methods.
Last activity 13 Oct 2026. Patch Forecast updates every hour.