CVE-2026-10545 IBM CVE debrief

Who should care

Defenders and administrators of IBM Planning Analytics Local, especially those using SSO authentication flows, should assess exposure and prioritize mitigation to prevent potential session token exposure and hijacking.

Why it matters

Defenders should care about CVE-2026-10545 because it involves an open redirect vulnerability in IBM Planning Analytics Local that could lead to session token exposure and hijacking in SSO authentication flows. Affected versions require verification, and mitigation is necessary to prevent potential exploitation.

• Potential exposure of session tokens in SSO authentication flows.
• Possible hijacking of user sessions via crafted URLs.
• Need for verification of affected versions and remediation status.
• Prioritization of defensive measures to prevent exploitation.

Technical summary

IBM Planning Analytics Local 2.1.0 through 2.1.21 is vulnerable to an open redirect that allows an attacker to redirect users to arbitrary external websites via a crafted URL. This vulnerability can be particularly dangerous when used in SSO authentication flows, as it could result in exposure of session tokens and allow attackers to hijack user sessions. The vulnerability is caused by improper validation of URLs, allowing attackers to craft URLs that redirect users to malicious websites. Defenders should prioritize verifying and mitigating this vulnerability to prevent potential session token exposure and hijacking.

Defensive priority

Defenders should prioritize verifying and mitigating this vulnerability, especially in SSO authentication flows, to prevent potential session token exposure and hijacking.

Recommended defensive actions

• Verify and apply the vendor advisory from IBM.
• Assess exposure in SSO authentication flows.
• Implement compensating controls to monitor and track user sessions.
• Review relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Evidence notes

The CVE record and NVD entry provide details on the open redirect vulnerability in IBM Planning Analytics Local. Vendor advisory is available from IBM. The vulnerability has been confirmed to exist in versions 2.1.0 through 2.1.21 of IBM Planning Analytics Local. Defenders should verify the affected versions and assess exposure, especially in SSO authentication flows. Evidence of exploitation has not been reported, but defenders should prioritize mitigation to prevent potential session token exposure and hijacking.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.