Vulnerability in Volcengine Openviking
CVE-2026-13507
A vulnerability was detected in volcengine OpenViking up to 0.3.21. This affects the function str_to_uint64 of the file openviking/storage/vectordb/utils/str_to_uint64.py of the component Local VectorDB Primary-key Label Handler. The manipulation of the argument ID results in insufficient verification of data authenticity. The attack may be launched remotely. Attacks of this nature are highly complex. The exploitability is reported as difficult. The pull request to fix this issue awaits acceptance.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.002 (6.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Volcengine Openviking — versions 0.3.0, 0.3.1, 0.3.2
Weakness classification (CWE)
References
- vuldb.com/vuln/374515 (technical-description, vdb-entry)
- vuldb.com/vuln/374515/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-13507 (third-party-advisory)
- vuldb.com/submit/838791 (third-party-advisory)
- github.com/volcengine/OpenViking/issues/2263 (issue-tracking)
- github.com/volcengine/OpenViking/pull/2268 (issue-tracking, patch)
- github.com/volcengine/OpenViking/ (product)
Frequently asked questions
- What is CVE-2026-13507?
- CVE-2026-13507 is a medium-severity vulnerability in Volcengine Openviking, classified under Insufficient Verification of Data Authenticity. CVSS score: 5.0/10. Published 2026-06-28.
- How severe is CVE-2026-13507?
- Medium severity. CVSS v3 base score is 5.0 out of 10.