What is CVE-2026-18744?

CVE-2026-18744 is a medium-severity vulnerability in Cert/cc Vince, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-08-12.

How severe is CVE-2026-18744?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Cert/cc Vince

CVE-2026-18744

Any authenticated case participant can fetch any OTHER vendor's CaseStatement + per-vul CaseMemberStatus by supplying that member's id — test_func only checks _is_my_case, not ownership of kwargs['member']. Bypasses share_status; leaks emb…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Cert/cc Vince — versions 0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

cret@cert.org
cret@cert.org

Frequently asked questions

What is CVE-2026-18744?: CVE-2026-18744 is a medium-severity vulnerability in Cert/cc Vince, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-08-12.
How severe is CVE-2026-18744?: Medium severity. CVSS v3 base score is 6.5 out of 10.