CVE-2025-47151: lasso security update
Affects lassoSource GCVE Database
Not known to be exploited · CVSS 9.8 Critical : upgrade to 2.7.0-11.el9_7.3 as a priority.
Data as of 13 Nov 2026, 20:25 UTC
- Patch
- Available – fixed in 2.7.0-11.el9_7.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 5 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Upgrade the AlmaLinux to 2.7.0-11.el9_7.3.
Patches and advisories
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AlmaLinux 9lasso | Affected
| Fixed in
|
| AlmaLinux 9lasso-devel | Affected
| Fixed in
|
| AlmaLinux 9python3-lasso | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A security update fixing this vulnerability is available in lasso version 2.7.0-11.el9_7.3 and later. Users should apply the update as provided by Red Hat to remediate the issue. Refer to the Red Hat advisory RHSA-2025:21462 and the update instructions at https://access.redhat.com/articles/11258 for detailed guidance. No additional mitigation steps are indicated by the vendor.
Description
A critical type confusion vulnerability (CVE-2025-47151) has been identified in the lasso library, which implements Liberty Alliance Single Sign-On standards including SAML and SAML2. This flaw affects versions of lasso prior to 2.7.0-11.el9_7.3. The vulnerability has been addressed in the fixed version 2.7.0-11.el9_7.3. Red Hat has issued an advisory confirming the critical severity and availability of a security update for affected Red Hat Enterprise Linux 9 variants.