Quick answers
- Is CVE-2026-78401 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-78401 being exploited in the wild.
- How severe is CVE-2026-78401?
- Critical severity, with a CVSS score of 9.8, published 8 October 2026.
- Which products and versions are affected?
- IBM Security Verify Access 10.0 through 10.0.9.2; IBM Verify Identity Access 11.0 through 11.0.3.
- Is there a fix for CVE-2026-78401?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-78401 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-78401?
- Check whether you run IBM Security Verify Access, IBM Security Verify Access Container, IBM Verify Identity Access or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability exists in the deserialization of untrusted data within IBM Security Verify Access 10.0 through 10.0.9.2 and Verify Identity Access 11.0 through 11.0.3. An unauthenticated attacker over the network can send malicious serialized objects that are deserialized without validation, leading to remote code execution. This is a critical, easy-to-exploit flaw with no prerequisites.
Affected products
- IBM Security Verify Access 10.0 through 10.0.9.2
- IBM Verify Identity Access 11.0 through 11.0.3
Timeline
- 2026-10-08: disclosed