What is CVE-2026-67198?

CVE-2026-67198 is a high-severity vulnerability in Perspective-dev Perspective, classified under CWE-616. CVSS score: 7.5/10. Published 2026-08-04.

How severe is CVE-2026-67198?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Perspective-dev Perspective

CVE-2026-67198

Perspective 5.0.0 contains a denial-of-service vulnerability in the VirtualServer protocol dispatcher that allows unauthenticated remote attackers to crash the server process by sending malformed or incomplete protobuf messages. Attackers…

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Perspective-dev Perspective — versions 0

Weakness classification (CWE)

CWE-616

References

disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-67198?: CVE-2026-67198 is a high-severity vulnerability in Perspective-dev Perspective, classified under CWE-616. CVSS score: 7.5/10. Published 2026-08-04.
How severe is CVE-2026-67198?: High severity. CVSS v3 base score is 7.5 out of 10.