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TI-2026-04353 Aliases CVE-2026-4993GHSA-vf7r-qhhp-78wc

wandb OpenUI config.py hard-coded credentials

Priority MEDIUM 55CWE-259Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-259.

Summary

A vulnerability has been found in wandb OpenUI up to 0.0.0.0/1.0. This impacts an unknown function of the file backend/openui/config.py. The manipulation of the argument LITELLM_MASTER_KEY leads to hard-coded credentials. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00146 3rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
wandbOpenUI0.0.0; 1.0—No fix listedCNA
  • OpenUI Vendorwandb Affected 0.0.0; 1.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-4993
  2. 2026-10-03 Alias added: GHSA-vf7r-qhhp-78wc

References

  • TI-2024-09867 Unauthenticated File Upload in wandb/openui CVSS 3.0MEDIUM 6.1
  • TI-2025-00151 Stored Cross-site Scripting (XSS) in wandb/openui CVSS 3.0MEDIUM 5.4
  • TI-2026-04352 wandb OpenUI HTMLAnnotator server.py get_share HTML injection CVSS 4.0MEDIUM 5.3
  • TI-2026-04355 wandb OpenUI Window Message Event index.html cross site scripting CVSS 4.0MEDIUM 5.1
  • TI-2026-04354 wandb OpenUI APIStatusError server.py generic_exception_handler information exposure CVSS 4.0MEDIUM 5.1
  • TI-2026-61982 Weights & Biases wandb before 0.29.0 Path Traversal via File Download CVSS 4.0HIGH 8.7

Sources