What is CVE-2025-47151?

CVE-2025-47151 is a critical-severity vulnerability in Entr'ouvert Lasso, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 9.8/10. Published 2025-11-05.

How severe is CVE-2025-47151?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Entr'ouvert Lasso

CVE-2025-47151

A type confusion vulnerability exists in the lasso_node_impl_init_from_xml functionality of Entr'ouvert Lasso 2.5.1 and 2.8.2. A specially crafted SAML response can lead to an arbitrary code execution. An attacker can send a malformed…

EPSS: 0.008 (52.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Entr'ouvert Lasso — versions 2.5.1, 2.8.2
Entrouvert Lasso — versions 2.5.1, 2.8.2

Weakness classification (CWE)

CWE-843 — Access of Resource Using Incompatible Type (Type Confusion)

References

talos-cna@cisco.com (Exploit, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-47151?: CVE-2025-47151 is a critical-severity vulnerability in Entr'ouvert Lasso, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 9.8/10. Published 2025-11-05.
How severe is CVE-2025-47151?: Critical severity. CVSS v3 base score is 9.8 out of 10.