CVE-2026-12797 | A security flaw has been discovered in BerriAI litellm up to… | CVSS 6.3 MEDIUM

Description

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 disclosure.

Metadata

CVE ID: CVE-2026-12797
State: PUBLISHED
Assigner: VulDB
Reserved: 2026-06-20 17:12 UTC
Published: 2026-06-21 09:15 UTC
Last updated: 2026-06-21 09:15 UTC
Primary CWE: CWE-863
Incorrect Authorization
Vendor / Product: BerriAI / litellm
Sources: cve.org · NVD

Severity & Metrics

6.3 MEDIUM CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Affected products (1)

Vendor	Product	Platform	Versions
BerriAI	litellm	—	1.82.0, 1.82.1, 1.82.2, 1.82.3 …

Weakness (CWE)

CWE	Source	Description
CWE-285	cna	Improper Authorization
CWE-863	cna	Incorrect Authorization

CVSS scores (4)

Score	Severity	Version	Source	Vector
6.5	N/D	2.0	cna	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
6.3	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.3	MEDIUM	3.0	cna	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
5.3	MEDIUM	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

References (5)

VDB-372559 | BerriAI litellm Completions banned_keywords.py async_pre_call_hook authorization https://vuldb.com/vuln/372559
VDB-372559 | CTI Indicators (IOB, IOC, IOA) https://vuldb.com/vuln/372559/cti
CVE-2026-12797 | CVE Analysis and Report https://vuldb.com/cve/CVE-2026-12797
Submit #811288 | litellm <= 1.82.5 Incorrect Authorization (CWE-863) https://vuldb.com/submit/811288
https://gist.github.com/YLChen-007/078179224f07cc4e39e4f141a18c817a