CVE-2026-12771 (GCVE-0-2026-12771)

Vulnerability from cvelistv5 – Published: 2026-06-21 01:00 – Updated: 2026-06-21 01:00
VLAI
Title
BerriAI litellm M2M JWT user_api_key_auth.py improper authorization
Summary
A vulnerability was identified in BerriAI litellm up to 1.82.2. This affects an unknown function of the file litellm/proxy/auth/user_api_key_auth.py of the component M2M JWT Handler. Such manipulation leads to improper authorization. The attack can be launched remotely. A high complexity level is associated with this attack. The exploitability is reported as difficult. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.
CWE
  • CWE-285 - Improper Authorization
  • CWE-266 - Incorrect Privilege Assignment
Assigner
References
Impacted products
Vendor Product Version
BerriAI litellm Affected: 1.82.0
Affected: 1.82.1
Affected: 1.82.2
    cpe:2.3:a:litellm:litellm:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Eric-c (VulDB User) VulDB CNA Team
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:litellm:litellm:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "M2M JWT Handler"
          ],
          "product": "litellm",
          "vendor": "BerriAI",
          "versions": [
            {
              "status": "affected",
              "version": "1.82.0"
            },
            {
              "status": "affected",
              "version": "1.82.1"
            },
            {
              "status": "affected",
              "version": "1.82.2"
            }
          ]
        }
      ],
      "credits": [
        {
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          "type": "reporter",
          "value": "Eric-c (VulDB User)"
        },
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          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
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          "value": "A vulnerability was identified in BerriAI litellm up to 1.82.2. This affects an unknown function of the file litellm/proxy/auth/user_api_key_auth.py of the component M2M JWT Handler. Such manipulation leads to improper authorization. The attack can be launched remotely. A high complexity level is associated with this attack. The exploitability is reported as difficult. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 2.3,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
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        {
          "cvssV3_1": {
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            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.1"
          }
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        {
          "cvssV3_0": {
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            "version": "3.0"
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            "vectorString": "AV:N/AC:H/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-285",
              "description": "Improper Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-266",
              "description": "Incorrect Privilege Assignment",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-21T01:00:12.198Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-372513 | BerriAI litellm M2M JWT user_api_key_auth.py improper authorization",
          "tags": [
            "vdb-entry"
          ],
          "url": "https://vuldb.com/vuln/372513"
        },
        {
          "name": "VDB-372513 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/372513/cti"
        },
        {
          "name": "CVE-2026-12771 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-12771"
        },
        {
          "name": "Submit #811280 | litellm \u003c= 1.82.2 Improper Authorization (CWE-285)",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/811280"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://gist.github.com/YLChen-007/70e4e106527f74ddf17953ff0f6c248d"
        }
      ],
      "timeline": [
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          "time": "2026-06-20T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-06-20T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-06-20T11:31:36.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "BerriAI litellm M2M JWT user_api_key_auth.py improper authorization"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-12771",
    "datePublished": "2026-06-21T01:00:12.198Z",
    "dateReserved": "2026-06-20T09:26:20.566Z",
    "dateUpdated": "2026-06-21T01:00:12.198Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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