CVE-2026-67198
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductPerspective
PublishedAug 4, 2026
First seenAug 4, 2026
Weakness typeCWE-616CWE-616
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| perspective-dev perspective | v ≤ 5.0.0 | — |
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