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CVE

CVE-2026-18749

CVE-2026-18749
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CVE

CVE-2026-18749

CVE-2026-18749

The type=track branch authorises on ismycase(tattach.case) only and never checks VinceTrackAttachment.shared. A coordinator-uploaded case artefact that has NOT been marked shared is still retrievable by any case member who has (or is sent) its uuid — leaks not-yet-released coordinator material to vendors on the case.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18749.json, https://nvd.nist.gov/vuln/detail/CVE-2026-18749, https://github.com/CERTCC/VINCE/pull/235, https://github.com/CERTCC/VINCE

Severity

9.8

CVSS Score
0
10

Basic Information

Base CVSS
9.8
EPSS Probability
0.00351%
EPSS Percentile
0.2777%
Introduced Version
0
Fix Available
478999151702c4fb9e376182f077d69216305697

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