How severe is CVE-2026-12770?

CVE-2026-12770 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2026-12770 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-12770?

CVE-2026-12770 affects Litellm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-12770?

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

Does CVE-2026-12770 have an EU (EUVD) identifier?

Yes. CVE-2026-12770 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38136.

When was CVE-2026-12770 published?

CVE-2026-12770 was published on 2026-06-21 and last updated on 2026-06-24.

CVE-2026-12770

CVE-2026-12770 is a medium-severity vulnerability in Litellm with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 5.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38136
Weakness: CWE-266
Affected product: Litellm
Published: 2026-06-21
Last modified: 2026-06-24

Description

A vulnerability was determined in BerriAI litellm up to 1.63.1. The impacted element is an unknown function of the file litellm/proxy/management_endpoints/key_management_endpoints.py of the component Admin Key Handler. This manipulation causes improper authorization. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: 23781. It is recommended to apply a patch to fix this issue. The vendor was contacted early about this disclosure.

Frequently asked questions

What is CVE-2026-12770?: A vulnerability was determined in BerriAI litellm up to 1.63.1. The impacted element is an unknown function of the file litellm/proxy/management_endpoints/key_management_endpoints.py of the component Admin Key Handler. This manipulation causes improper authorization. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: 23781. It is recommended to apply a patch to fix this issue. The vendor was contacted early about this disclosure.
How severe is CVE-2026-12770?: CVE-2026-12770 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2026-12770 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-12770?: CVE-2026-12770 affects Litellm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-12770?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-12770 have an EU (EUVD) identifier?: Yes. CVE-2026-12770 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38136.
When was CVE-2026-12770 published?: CVE-2026-12770 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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