---
id: CVE-2026-13507
title: A vulnerability was detected in volcengine OpenViking up to 0.3.21
summary: >-
  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 man…
severity: medium
cvss: 5
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-345
published: '2026-06-28'
updated: '2026-06-29'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-13507'
references:
  - url: 'https://github.com/volcengine/OpenViking/'
    label: cna@vuldb.com
  - url: 'https://github.com/volcengine/OpenViking/issues/2263'
    label: cna@vuldb.com
  - url: 'https://github.com/volcengine/OpenViking/pull/2268'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-13507'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/838791'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/374515'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/374515/cti'
    label: cna@vuldb.com
  - url: 'https://github.com/volcengine/OpenViking/issues/2263'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
ingestedAt: '2026-06-29T13:42:12.029Z'
epss: 0.0018
epssPercentile: 0.06767
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.