CVE-2026-4992: wandb OpenUI HTMLAnnotator server.py get_share HTML injection

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-27 · updated 2026-06-17
Weakness: CWE-79

Description

A flaw has been found in wandb OpenUI up to 1.0. This affects the function create_share/get_share of the file backend/openui/server.py of the component HTMLAnnotator Component. Executing a manipulation of the argument ID can lead to HTML injection. The attack may be performed from remote. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

wandb OpenUI: 1.0

References

https://gist.github.com/YLChen-007/7b42be1da37af51a0cfba0866d100987
https://vuldb.com/?ctiid.353879
https://vuldb.com/?id.353879
https://vuldb.com/?submit.778264

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