How severe is CVE-2026-12772?

CVE-2026-12772 has a CVSS 3.x base score of 6.3, 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 low, and availability low.

Is CVE-2026-12772 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-12772?

CVE-2026-12772 affects Litellm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-12772?

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

Does CVE-2026-12772 have an EU (EUVD) identifier?

Yes. CVE-2026-12772 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38138.

When was CVE-2026-12772 published?

CVE-2026-12772 was published on 2026-06-21 and last updated on 2026-06-24.

CVE-2026-12772

CVE-2026-12772 is a medium-severity vulnerability in Litellm with a CVSS 3.x base score of 6.3. 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-613.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38138
Weakness: CWE-613
Affected product: Litellm
Published: 2026-06-21
Last modified: 2026-06-24

Description

A security flaw has been discovered in BerriAI litellm up to 1.82.2. This impacts the function authenticate_user of the file litellm/proxy/auth/login_utils.py of the component PROXY_ADMIN database API Key Generator. Performing a manipulation results in session expiration. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure.

Frequently asked questions

What is CVE-2026-12772?: A security flaw has been discovered in BerriAI litellm up to 1.82.2. This impacts the function authenticate_user of the file litellm/proxy/auth/login_utils.py of the component PROXY_ADMIN database API Key Generator. Performing a manipulation results in session expiration. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure.
How severe is CVE-2026-12772?: CVE-2026-12772 has a CVSS 3.x base score of 6.3, 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 low, and availability low.
Is CVE-2026-12772 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-12772?: CVE-2026-12772 affects Litellm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-12772?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-12772 have an EU (EUVD) identifier?: Yes. CVE-2026-12772 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38138.
When was CVE-2026-12772 published?: CVE-2026-12772 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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