CVE-2026-15605 wandb Artifact Integrity Validation hashutil.py ArtifactManifestEntry.download weak hash
Attackers can bypass artifact integrity checks in the wandb SDK due to the use of a weak hash algorithm during downloads.
- 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-2026-15605?
CVE-2026-15605 is a low-severity vulnerability in wandb, published on 13 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security vulnerability has been detected in wandb 0.25.2.dev1. Affected is the function ArtifactManifestEntry.download in the library wandb/sdk/lib/hashutil.py of the component Artifact Integrity Validation. The manipulation leads to use of weak hash. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitability is told to be difficult. The pull request to fix this issue awaits acceptance.
Which versions are affected by CVE-2026-15605?
How do I fix CVE-2026-15605?
No fix has been published for CVE-2026-15605 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-15605 being exploited?
There is no known exploitation of CVE-2026-15605 in the wild and no public exploit code.
Sources
Also known as GHSA-hq6h-q7pr-4qqv.