🛡️ CVE-2026-67198

🟠 CVSS 7.5 — High ✅ No Known Exploit CWE-616 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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 can send well-formed requests such as ViewToArrowReq with no viewport set or MakeTableReq with no data field to trigger unwrap() calls on None values at nine distinct sites, causing the process to abort with SIGABRT.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Affected software

CVE-2026-67198 is recorded against 1 package.

  • unknown

Timeline and source

Published on 4 August 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

christbowel.com
www.vulncheck.com

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-616
Public Exploit ✅ No
Source NVD
Published 2026-08-04
Updated 2026-08-11
Modified 2026-08-04
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —

Similar Threats

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