What’s Vulnerable › Vulnerabilities

CVE-2024-47832: XML Signature Bypass via differential XML parsing in ssoready

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-09 · updated 2026-06-17
• Weakness: CWE-347

Description

ssoready is a single sign on provider implemented via docker. Affected versions are vulnerable to XML signature bypass attacks. An attacker can carry out signature bypass if you have access to certain IDP-signed messages. The underlying mechanism exploits differential behavior between XML parsers. Users of https://ssoready.com, the public hosted instance of SSOReady, are unaffected. We advise folks who self-host SSOReady to upgrade to 7f92a06 or later. Do so by updating your SSOReady Docker images from sha-... to sha-7f92a06. There are no known workarounds for this vulnerability.

Affected products

• ssoready: before 2024-10-09 — fixed in 2024-10-09

How to fix

Upgrade to a fixed version: ssoready 2024-10-09. Check the vendor advisory for mitigations.

References

• https://github.com/ssoready/ssoready/commit/7f92a0630439972fcbefa8c7eafe8c144bd89915
• https://github.com/ssoready/ssoready/security/advisories/GHSA-j2hr-q93x-gxvh
• https://ssoready.com/docs/self-hosting/self-hosting-sso-ready

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