CVE-2026-18744: CVE-2026-18744

Deferred

Published 12-08-2026Last modified 13-08-2026

Vulnerability summary

CVE-2026-18744 is a medium (CVSS 6.5) vulnerability in cert/cc vince. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 35.8% of scored vulnerabilities.

Overall risk

26/100

0100

Medium · default modelHow is this calculated?

CVSS score

6.5/10

010

Medium · v3.1 (CVE.org)

EPSS score

0.43%

0%100%

Low · +0.13 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Timeline

12-08-2026
PublishedVulnerability first disclosed.
13-08-2026
Last modifiedVulnerability information updated.

Description

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 embargoed vendor affected/not-affected + statement text cross-tenant.

CVSS metrics

2 scores · 2 sources · 1 version

v3.16.5

EPSS trend

Probability

0.43%

Chance of exploitation in the next 30 days

Percentile

36%

Versus all other CVEs

30-day change

Increase +0.13 pp

From 0.30% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-639Authorization Bypass Through User-Controlled KeyThe system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

Affected systems

Cert/cc1 product

vince< 3.0.44

1 vendor · 1 product

References

2 links