SuperTokens Core is an open source authentication server.
SuperTokens Core is an open source authentication server. From 11.3.0 until 11.3.8, 11.4.8, 12.0.11, 12.1.2, 12.2.1, and 12.3.1, SAML.handleCallback does not consume RelayState, record assertion identifiers, or enforce Response.InResponseTo. In the SP-initiated flow, an attacker who obtains a legitimately issued, still-valid SAML response and its matching RelayState can resubmit the pair to /recipe/saml/callback before the assertion's NotOnOrAfter time; in the IdP-initiated flow, the assertion can be replayed without RelayState. The missing Response.InResponseTo check also permits an in-progress login to be completed with an assertion for a different identity and fails to enforce allowIDPIni
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- Supertokens
- Product
- supertokens-core
- CVSS v3.1
- 7.4 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- Fix
- available
- Weakness
- CWE-294, CWE-346, CWE-384
- Exposure class
- Identity
- NVD status
- Received
Why it ranks 42 (Notable)
- CVSS v3.1 7.4 high
- Exposed product class: identity
- Fix available
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
- CVE-2026-123801 on this site · NVD · CVE.org · Vulnpedia
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