CVE-2026-12797: A security flaw has been discovered in BerriAI litellm up to 1.82.5

Q: How do I fix CVE-2026-12797?

litellm: upgrade to newer than 1.82.5. Exact commands for each OS are on this page.

Q: Is CVE-2026-12797 being exploited?

CVE-2026-12797 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-12797 affect?

CVE-2026-12797 affects litellm. Severity is medium (CVSS 6.3). A security flaw has been discovered in BerriAI litellm up to 1.82.5. Affected is the function async_pre_call_hook of the file enterprise/enterprise_hooks/banned_keywords.py of the component Completions Interface. The manipulation of the arg

Q: How urgent is CVE-2026-12797?

Priority 36/100. Public exploit reference

Routine

MEDIUM 6.3UPGRADE

CVE-2026-12797 is a medium-severity flaw (CVSS 6.3) affecting litellm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A security flaw has been discovered in BerriAI litellm up to 1.82.5. Affected is the function async_pre_call_hook of the file enterprise/enterprise_hooks/banned_keywords.py of the component Completions Interface. The manipulation of the argument prompt results in incorrect authorization. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this discl

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-285, CWE-863
Published	2026-06-21
Last modified	2026-10-25

Publisher (CNA): VulDB · Vendor: litellm

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-21 10:16 UTCPublished CVE record published
2026-10-25 23:10 UTCUpdated Record last modified

litellm litellm UPGRADE

Affected: <= 1.82.5

Fixed in: newer than 1.82.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy litellm || rpm -q litellm || litellm --version

2. UPGRADE to newer than 1.82.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade litellm

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade litellm

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-12797?

litellm: upgrade to newer than 1.82.5. Exact commands for each OS are on this page.

Is CVE-2026-12797 being exploited?

CVE-2026-12797 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-12797 affect?

CVE-2026-12797 affects litellm. Severity is medium (CVSS 6.3). A security flaw has been discovered in BerriAI litellm up to 1.82.5. Affected is the function async_pre_call_hook of the file enterprise/enterprise_hooks/banned_keywords.py of the component Completions Interface. The manipulation of the arg

How urgent is CVE-2026-12797?

Priority 36/100. Public exploit reference

Related CVEs

CVE-2026-49468 CRITICAL 9.8 UPGRADE LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format
CVE-2026-12773 HIGH 7.3 UPGRADE A weakness has been identified in BerriAI litellm up to 1.59.8
CVE-2026-12795 HIGH 7.3 UPGRADE A vulnerability was determined in BerriAI litellm up to 1.82.2
CVE-2026-12796 MEDIUM 6.3 UPGRADE A vulnerability was identified in BerriAI litellm up to 1.82.2
CVE-2026-12770 MEDIUM 5.4 UPGRADE A vulnerability was determined in BerriAI litellm up to 1.63.1

References

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