Vulnerability · Published Nov 5, 2025 · Assigned by talos
CVE-2025-47151
Critical 9.8
In plain English
A critical-severity type confusion in Lasso from Entr'ouvert. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.1%top 34.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 SAML response to trigger this vulnerability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | lasso | 2.6.0-14.el8_10 | ALSA-2025:21628 |
| AlmaLinux:9 | lasso | 2.7.0-11.el9_7.3 | ALSA-2025:21462 |
| AlmaLinux:8 | lasso-devel | 2.6.0-14.el8_10 | ALSA-2025:21628 |
| AlmaLinux:9 | lasso-devel | 2.7.0-11.el9_7.3 | ALSA-2025:21462 |
| AlmaLinux:8 | python3-lasso | 2.6.0-14.el8_10 | ALSA-2025:21628 |
| AlmaLinux:9 | python3-lasso | 2.7.0-11.el9_7.3 | ALSA-2025:21462 |
| Debian:12 | lasso | 2.8.1-1+deb12u1 | DEBIAN-CVE-2025-47151 |
| Debian:12 | lasso | 2.8.1-1+deb12u1 | DSA-6058-1 |
| Debian:13 | lasso | 2.8.2-9+deb13u1 | DEBIAN-CVE-2025-47151 |
| Debian:13 | lasso | 2.8.2-9+deb13u1 | DSA-6058-1 |
| Debian:14 | lasso | 2.9.0-1 | DEBIAN-CVE-2025-47151 |
| Rocky Linux:8 | lasso | 0:2.6.0-14.el8_10 | RLSA-2025:21628 |
| Rocky Linux:9 | lasso | 0:2.7.0-11.el9_7.3 | RLSA-2025:21462 |
| Ubuntu:22.04:LTS | lasso | 2.7.0-2ubuntu0.1 | USN-7872-1 |
| Ubuntu:22.04:LTS | lasso | 2.7.0-2ubuntu0.1 | UBUNTU-CVE-2025-47151 |
| Ubuntu:24.04:LTS | lasso | 2.8.2-2ubuntu0.1 | UBUNTU-CVE-2025-47151 |
| Ubuntu:24.04:LTS | lasso | 2.8.2-2ubuntu0.1 | USN-7872-1 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Entr'ouvert | Lasso | 2.5.12.8.2 |
Weakness: CWE-843 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H