IdP-initiated SAML sessions not reliably invalidated (replay)
Priority LOW 39CWE-294Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-294.
Summary
Logto silently fails to delete IdP-initiated SAML sessions, enabling session replay and reuse within the session’s validity window.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00346 28th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-15614
- 2026-10-03 Alias added: GHSA-crqf-jj8w-c292
More Logto vulnerabilities
- TI-2026-13135 LOIDC nonce validation bypass CVSS 3.1CRITICAL 9.1
- TI-2026-13139 Principal/domain lookup without case normalization CVSS 3.1CRITICAL 9.1
- TI-2026-13138 Local MFA not enforced during SSO sign-in CVSS 3.1CRITICAL 9.1
- TI-2026-13134 Unverified email-based SSO account linking CVSS 3.1CRITICAL 9.1
- TI-2026-13137 SAML <Conditions> element not validated CVSS 3.1HIGH 7.5
Sources
- CVE-2026-15614 · CVE Program
- CVE-2026-15614 · NVD
- FIRST EPSS
- GHSA-crqf-jj8w-c292 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences