CVE-2026-15615 SAML <Conditions> element not validated
Attackers can bypass SAML security controls by stripping time and audience restrictions, allowing indefinite replay of assertions to gain unauthorized access.
- 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-2026-15615?
CVE-2026-15615 is a high-severity vulnerability in Logto, published on 23 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Logto omits validation of the SAML <Conditions> element, enabling attackers to strip time and audience restrictions and replay assertions indefinitely.
Weakness: CWE-345
Which versions are affected by CVE-2026-15615?
How do I fix CVE-2026-15615?
No fix has been published for CVE-2026-15615 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-15615 being exploited?
There is no known exploitation of CVE-2026-15615 in the wild and no public exploit code.
Sources
Also known as GHSA-vxqj-8hg5-3v79.