CVE-2026-73652 vantage6: Algorithm developer can edit another developer's algorithm that is pending / under review
An algorithm developer can modify another developer's pending algorithm metadata, potentially swapping the image to bypass review security.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-73652?
CVE-2026-73652 is a high-severity missing authorization vulnerability in vantage6, published on 13 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
vantage6 is an open-source infrastructure for privacy preserving analysis. In version 5.0.2 and earlier, the algorithm-store edit permission lacks an ownership check, allowing one algorithm developer to alter another developer's algorithm while it is pending or under review. The attacker can change metadata including the algorithm image or image tag, causing reviewers and nodes to trust a different image from the one originally submitted for approval. No fixed version is available as of this review.
Weakness: CWE-863
Which versions are affected by CVE-2026-73652?
3 open source packages ship an affected version, including vantage6.
| Package | Affected | Fixed in |
|---|---|---|
vantage6 PyPI | All versions to 5.0.2 | None |
vantage6 PyPI | All versions to 5.0.2 | None |
vantage6 PyPI | All versions to 5.0.2 | None |
How do I fix CVE-2026-73652?
No fix has been published for CVE-2026-73652 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-73652 being exploited?
There is no known exploitation of CVE-2026-73652 in the wild and no public exploit code.
Sources
Also known as GHSA-47w6-gwp4-w6vc, PYSEC-2026-3703.