CVE-2026-90452
Last modified
CVE-2026-90452 is a medium-severity vulnerability rated 6/10 on the CVSS scale. Requests from the reverse proxy to the identity-provider service for token discovery, introspection, and credential exchange do not verify the identity provider's server certificate. An attacker positioned on the network path between the proxy and the identity provider could impersonate the identity provider and issue forged authentication tokens accepted by the deployment..
Description
Requests from the reverse proxy to the identity-provider service for token discovery, introspection, and credential exchange do not verify the identity provider's server certificate. An attacker positioned on the network path between the proxy and the identity provider could impersonate the identity provider and issue forged authentication tokens accepted by the deployment.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| CISA | Malcolm | < v26.06.0 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-90452?
How severe is CVE-2026-90452?
How do I fix CVE-2026-90452?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- 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-2026-90447A routing rule selects between two different authentication …7.1
- CVE-2026-90448A deployment mode intended to expose only read access to sto…7.1
- CVE-2026-90449When a particular authentication mode is configured, the rev…6.9
- CVE-2026-9045During an internal security assessment, a potential vulnerab…8.5
- CVE-2026-90450The application's role-authorization lookup defaults to gran…5.3
- CVE-2026-90451An example environment-configuration file ships with a fixed…8.2
- CVE-2026-90453A file-upload handler redirects the authenticated client's b…5.1
- CVE-2026-90454A deployment mode intended to expose only read access to a b…5.3
- CVE-2026-90455A prior update that raised a bundled HTTP client library to …6.3
- CVE-2026-90456An example environment-configuration file for a bundled inve…9.2
- CVE-2026-90457The administrative password is hashed using a comparatively …6.9
- CVE-2026-9046A potential insecure permissions vulnerability was reported …7.3
Are you affected by CVE-2026-90452?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST