Vulnerability in Bva Concierge\
CVE-2026-2439
Concierge::Sessions versions from 0.8.1 before 0.8.5 for Perl generate insecure session ids. The generate_session_id function in Concierge::Sessions::Base defaults to using the uuidgen command to generate a UUID, with a fallback to using P…
EPSS: 0.004 (32.1th 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
- Bva Concierge\ — versions \
- Bva Concierge::sessions — versions 0.8.1
Weakness classification (CWE)
References
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (related, Product, Release Notes)
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (related, Third Party Advisory)
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (related, Third Party Advisory)
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (related, Third Party Advisory)
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (Patch, patch)
Frequently asked questions
- What is CVE-2026-2439?
- CVE-2026-2439 is a critical-severity vulnerability in Bva Concierge\, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 9.8/10. Published 2026-02-16.
- How severe is CVE-2026-2439?
- Critical severity. CVSS v3 base score is 9.8 out of 10.