How severe is CVE-2026-4993?

CVE-2026-4993 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-4993 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-4993?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-4993 have an EU (EUVD) identifier?

Yes. CVE-2026-4993 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16913.

When was CVE-2026-4993 published?

CVE-2026-4993 was published on 2026-03-28 and last updated on 2026-06-17.

CVE-2026-4993

CVE-2026-4993 is a low-severity vulnerability with a CVSS 3.x base score of 3.3. 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-259.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
CVSS v4: 1.9
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-16913
Weakness: CWE-259
Published: 2026-03-28
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-4993?: 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.
How severe is CVE-2026-4993?: CVE-2026-4993 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-4993 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-4993?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-4993 have an EU (EUVD) identifier?: Yes. CVE-2026-4993 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16913.
When was CVE-2026-4993 published?: CVE-2026-4993 was published on 2026-03-28 and last updated on 2026-06-17.

References

Other CWE-259 vulnerabilities

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CVE-2014-2363 — Critical (CVSS 10.0): Morpho Itemiser 3 8.17 has hardcoded administrative credentials, which makes it easier for remote attackers to obtain…
CVE-2012-5862 — Critical (CVSS 10.0): These Sinapsi devices store hard-coded passwords in the PHP file of the device. By using the hard-coded passwords in…
CVE-2025-20286 — Critical (CVSS 9.9): A vulnerability in Amazon Web Services (AWS), Microsoft Azure, and Oracle Cloud Infrastructure (OCI) cloud deployments…
CVE-2026-35905 — Critical (CVSS 9.8): T3 Technology CPE models T625Pro v1.0.07, T6825G v1.0.03, and T7281 v1.0.03 were discovered to contain a hardcoded…
CVE-2026-7251 — Critical (CVSS 9.8): Eppendorf BioFlo 320 is vulnerable due to VNC server using a hard-coded password. If a remote attacker knows the…

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