CVE-2026-44946 SAML Authentication Replay in Rancher
Attackers can replay SAML assertions to bypass authentication and take over accounts in Rancher.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-44946?
CVE-2026-44946 is a critical authentication bypass vulnerability in SUSE Rancher, published on 30 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A SAML authentication replay vulnerability in Rancher's Assertion Consumer Service (ACS) handler did not enforce one-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,
Weakness: CWE-294
Which versions are affected by CVE-2026-44946?
It affects 1 product.
Products include Suse Rancher.
How do I fix CVE-2026-44946?
No fix has been published for CVE-2026-44946 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-44946 being exploited?
There is no known exploitation of CVE-2026-44946 in the wild and no public exploit code.
Other vulnerabilities in SUSE Rancher
- CVE-2023-22647 Rancher vulnerable to Privilege Escalation via manipulation of Secrets
- CVE-2023-22651 Rancher Webhook is misconfigured during upgrade process
- CVE-2022-43757 Rancher: Exposure of sensitive fields
- CVE-2021-36782 Rancher: Plaintext storage and exposure of credentials in Rancher API and cluster.management.cattle.io object
- CVE-2021-36783 Rancher: Failure to properly sanitize credentials in cluster template answers
Sources
Also known as GHSA-c5jm-xcmq-9j95.