CVE-2026-4994
CVE-2026-4994 is a low-severity vulnerability with a CVSS 3.x base score of 3.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.
Key facts
- Severity: Low (CVSS 3.x base score 3.5)
- CVSS v2: 2.7
- CVSS v4: 2.0
- EPSS exploit prediction: 0% (10th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-16915
- Weakness: CWE-200
- Published:
- Last modified:
Description
A vulnerability was found in wandb OpenUI up to 1.0/3.5-turb. Affected is the function generic_exception_handler of the file backend/openui/server.py of the component APIStatusError Handler. The manipulation of the argument key results in information exposure through error message. Access to the local network is required for this attack. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Frequently asked questions
- What is CVE-2026-4994?
- A vulnerability was found in wandb OpenUI up to 1.0/3.5-turb. Affected is the function generic_exception_handler of the file backend/openui/server.py of the component APIStatusError Handler. The manipulation of the argument key results in information exposure through error message. Access to the local network is required for this attack. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
- How severe is CVE-2026-4994?
- CVE-2026-4994 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2026-4994 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-4994?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-4994 have an EU (EUVD) identifier?
- Yes. CVE-2026-4994 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16915.
- When was CVE-2026-4994 published?
- CVE-2026-4994 was published on 2026-03-28 and last updated on 2026-06-17.
References
- https://gist.github.com/YLChen-007/8c6ff147186855e4b716e7526de213e1
- https://vuldb.com/?ctiid.353881
- https://vuldb.com/?id.353881
- https://vuldb.com/?submit.778266
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