How severe is CVE-2026-12799?

CVE-2026-12799 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-12799 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-12799?

CVE-2026-12799 affects Litellm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-12799?

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

Does CVE-2026-12799 have an EU (EUVD) identifier?

Yes. CVE-2026-12799 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38158.

When was CVE-2026-12799 published?

CVE-2026-12799 was published on 2026-06-21 and last updated on 2026-06-24.

CVE-2026-12799

CVE-2026-12799 is a medium-severity vulnerability in Litellm with a CVSS 3.x base score of 4.3. 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-266.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
CVSS v4: 2.1
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38158
Weakness: CWE-266
Affected product: Litellm
Published: 2026-06-21
Last modified: 2026-06-24

Description

A security vulnerability has been detected in BerriAI litellm up to 1.82.2. Affected by this issue is the function ui_view_users of the file litellm/proxy/management_endpoints/internal_user_endpoints.py of the component Incomplete Fix CVE-2025-0628. Such manipulation leads to improper authorization. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure.

Frequently asked questions

What is CVE-2026-12799?: A security vulnerability has been detected in BerriAI litellm up to 1.82.2. Affected by this issue is the function ui_view_users of the file litellm/proxy/management_endpoints/internal_user_endpoints.py of the component Incomplete Fix CVE-2025-0628. Such manipulation leads to improper authorization. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure.
How severe is CVE-2026-12799?: CVE-2026-12799 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-12799 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-12799?: CVE-2026-12799 affects Litellm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-12799?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-12799 have an EU (EUVD) identifier?: Yes. CVE-2026-12799 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38158.
When was CVE-2026-12799 published?: CVE-2026-12799 was published on 2026-06-21 and last updated on 2026-06-24.

References

Affected products (1)

cpe:2.3:a:litellm:litellm:*:*:*:*:*:*:*:*

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