Quick answers
- Is CVE-2026-78399 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-78399 being exploited in the wild.
- How severe is CVE-2026-78399?
- Medium severity, with a CVSS score of 6.5, 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-2026-78399?
- 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-2026-78399 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-78399?
- 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
CVE-2026-78399 is a resource exhaustion vulnerability affecting IBM Security Verify Access versions 10.0 through 10.0.9.2 and IBM Verify Identity Access versions 11.0 through 11.0.3. An authenticated attacker can send a specially crafted HTTP query that exploits improper resource allocation, leading to denial of service. The vulnerability requires authentication and a network vector.
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