CVE-2026-114612 (GCVE-0-2026-114612)
Vulnerability from cvelistv5
Published
2026-10-22 18:01
Modified
2026-10-22 18:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. From 1.87.0 until 1.100.4, 1.101.3, 1.102.2, 1.103.1, and 1.104.0-rc.2, the proxy reuses one cryptographic context for at-rest secrets and session tokens, allowing an authenticated internal user to have crafted metadata containing a forged administrator credential encrypted and returned by the API-key flow. Replaying that ciphertext as a bearer token causes the proxy to trust the forged proxy administrator identity, permitting administrative access and arbitrary commands through the MCP stdio endpoint. Versions 1.87.0 through 1.90.x require EXPERIMENTAL_UI_LOGIN to be enabled, while versions after 1.91.0 are exploitable in the default configuration. This issue was fixed in LiteLLM 1.100.4, 1.101.3, 1.102.2, 1.103.1, and 1.104.0-rc.2.
References
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Impacted products
{
"containers": {
"cna": {
"affected": [
{
"product": "litellm",
"vendor": "BerriAI",
"versions": [
{
"status": "affected",
"version": "\u003e= 1.87.0, \u003c 1.100.4"
},
{
"status": "affected",
"version": "\u003e= 1.101.0, \u003c 1.101.3"
},
{
"status": "affected",
"version": "\u003e= 1.102.0, \u003c 1.102.2"
},
{
"status": "affected",
"version": "\u003e= 1.103.0, \u003c 1.103.1"
},
{
"status": "affected",
"version": "\u003e= 1.104.0-rc.1, \u003c 1.104.0-rc.2"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. From 1.87.0 until 1.100.4, 1.101.3, 1.102.2, 1.103.1, and 1.104.0-rc.2, the proxy reuses one cryptographic context for at-rest secrets and session tokens, allowing an authenticated internal user to have crafted metadata containing a forged administrator credential encrypted and returned by the API-key flow. Replaying that ciphertext as a bearer token causes the proxy to trust the forged proxy administrator identity, permitting administrative access and arbitrary commands through the MCP stdio endpoint. Versions 1.87.0 through 1.90.x require EXPERIMENTAL_UI_LOGIN to be enabled, while versions after 1.91.0 are exploitable in the default configuration. This issue was fixed in LiteLLM 1.100.4, 1.101.3, 1.102.2, 1.103.1, and 1.104.0-rc.2."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.9,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-269",
"description": "CWE-269: Improper Privilege Management",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-345",
"description": "CWE-345: Insufficient Verification of Data Authenticity",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-441",
"description": "CWE-441: Unintended Proxy or Intermediary (\u0027Confused Deputy\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-22T18:01:52.768Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/BerriAI/litellm/security/advisories/GHSA-7hp6-4w63-5g45",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/BerriAI/litellm/security/advisories/GHSA-7hp6-4w63-5g45"
},
{
"name": "https://github.com/BerriAI/litellm/commit/1d5fdc87fed66b49e1df8cf7d708ad93249eb7d0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/BerriAI/litellm/commit/1d5fdc87fed66b49e1df8cf7d708ad93249eb7d0"
},
{
"name": "https://github.com/BerriAI/litellm/commit/9161d7f9d6073603ba61ee4aa5e2c0ef5b37a81b",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/BerriAI/litellm/commit/9161d7f9d6073603ba61ee4aa5e2c0ef5b37a81b"
},
{
"name": "https://github.com/BerriAI/litellm/commit/9fa1a641119dd0d4fe43e93622eae5f482ceb63f",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/BerriAI/litellm/commit/9fa1a641119dd0d4fe43e93622eae5f482ceb63f"
},
{
"name": "https://github.com/BerriAI/litellm/commit/a80eacacee118fbed54e3d98f239d17a63fac818",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/BerriAI/litellm/commit/a80eacacee118fbed54e3d98f239d17a63fac818"
},
{
"name": "https://github.com/BerriAI/litellm/commit/f7cd90f09e9716652b38daec9f0640cdf49d582b",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/BerriAI/litellm/commit/f7cd90f09e9716652b38daec9f0640cdf49d582b"
},
{
"name": "https://github.com/BerriAI/litellm/releases/tag/v1.100.4",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/BerriAI/litellm/releases/tag/v1.100.4"
},
{
"name": "https://github.com/BerriAI/litellm/releases/tag/v1.101.3",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/BerriAI/litellm/releases/tag/v1.101.3"
},
{
"name": "https://github.com/BerriAI/litellm/releases/tag/v1.102.2",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/BerriAI/litellm/releases/tag/v1.102.2"
},
{
"name": "https://github.com/BerriAI/litellm/releases/tag/v1.103.1",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/BerriAI/litellm/releases/tag/v1.103.1"
},
{
"name": "https://github.com/BerriAI/litellm/releases/tag/v1.104.0-rc.2",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/BerriAI/litellm/releases/tag/v1.104.0-rc.2"
}
],
"source": {
"advisory": "GHSA-7hp6-4w63-5g45",
"discovery": "UNKNOWN"
},
"title": "LiteLLM: Privilege Escalation to Proxy Admin via Cross-Domain Reuse of the Salt Key"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-114612",
"datePublished": "2026-10-22T18:01:52.768Z",
"dateReserved": "2026-10-21T20:34:25.599Z",
"dateUpdated": "2026-10-22T18:01:52.768Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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