Medium

OpenViking contains a missing authorization vulnerability in the task polling endpoints

  • Disclosed: 07.04.2026
  • Updated: 11.10.2026 15:17

OpenViking versions prior to 0.3.3 contain a missing authorization vulnerability in the task polling endpoints that allows unauthorized attackers to enumerate or retrieve background task metadata created by other users. Attackers can access the /api/v1/tasks and /api/v1/tasks/{task_id} routes without authentication to expose task type, task status, resource identifiers, archive URIs, result payloads, and error information, potentially causing cross-tenant interference in multi-tenant deployments.

Affected software

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PlatformPackageVulnerable versionsFixed in
Python (PyPI) openviking < 0.3.3 0.3.3

References

CVSS score 5.3/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE)
CWE-862
Platform
Python (PyPI)
Package
openviking
Disclosed
07.04.2026
Updated
11.10.2026 15:17

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2026-2855 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-h336-2wxm-pr6q - CC BY 4.0

Vulnerability history: openviking

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
3
First → latest
03.2026 04.2026
Without a fix
1
Exploited in attacks
0

Severity breakdown

  • Critical 1
  • High 1
  • Medium 1

Disclosures per year

  1. 2026: 3
  1. Critical · 9.1 CVE-2026-40525 < 0.3.9 0.3.9
  2. OpenViking contains a missing authorization vulnerability in the task polling endpoints this entry
    Medium · 5.3 CVE-2026-22680 < 0.3.3 0.3.3
  3. High · 7.8 CVE-2026-28518 <= 0.2.1 no fix

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