GHSA-7hp6-4w63-5g45

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    GHSA-7hp6-4w63-5g45

    Published: 27 Oct 2026Last Modified: 27 Oct 2026

    Summary: LiteLLM: Privilege Escalation to Proxy Admin via Cross-Domain Reuse of the Salt Key

    Details: ### Summary An authenticated user with `internal_user` privileges can escalate to `proxy_admin` and achieve remote code execution. The proxy uses one encryption key for two purposes: sealing secrets at rest and minting session tokens. An attacker exploits this by requesting a new API key with a crafted metadata field containing a forged admin credential as the "secret" value. The proxy encrypts and returns this payload. When this value is then presented as a bearer token, the proxy decrypts it, trusts the forged admin identity, and grants full administrative access, including the ability to execute arbitrary commands via the MCP stdio endpoint. ### Affected versions Versions later than 1.91.0 are exploitable in the default configuration. Versions 1.87.0 through 1.90.x are exploitable only if `EXPERIMENTAL_UI_LOGIN=true` was explicitly set. ### Mitigation Upgrade to a patched version as soon as possible. If you cannot upgrade immediately, set `EXPERIMENTAL_UI_LOGIN=false`. This disables the vulnerable authentication path but also breaks CLI SSO and Claude Code gateway login. ### Impact An internal user can escalate to proxy admin and execute arbitrary commands on the host. **Discovery Credit:** Hoa X. Nguyen (OPSWAT Unit 515)

    References: https://github.com/BerriAI/litellm/security/advisories/GHSA-7hp6-4w63-5g45, https://nvd.nist.gov/vuln/detail/CVE-2026-114612, https://github.com/BerriAI/litellm/commit/1d5fdc87fed66b49e1df8cf7d708ad93249eb7d0, https://github.com/BerriAI/litellm/commit/9161d7f9d6073603ba61ee4aa5e2c0ef5b37a81b, https://github.com/BerriAI/litellm/commit/9fa1a641119dd0d4fe43e93622eae5f482ceb63f, https://github.com/BerriAI/litellm/commit/a80eacacee118fbed54e3d98f239d17a63fac818, https://github.com/BerriAI/litellm/commit/f7cd90f09e9716652b38daec9f0640cdf49d582b, https://github.com/BerriAI/litellm, https://github.com/BerriAI/litellm/releases/tag/v1.100.4, https://github.com/BerriAI/litellm/releases/tag/v1.101.3, https://github.com/BerriAI/litellm/releases/tag/v1.102.2, https://github.com/BerriAI/litellm/releases/tag/v1.103.1, https://github.com/BerriAI/litellm/releases/tag/v1.104.0-rc.2

    Affected packages

    Package

    Name: litellm

    Purl: pkg:pypi/litellm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 1.91.0
    Fixed -1.100.4

    Affected versions

    1.100.0
    1.100.0.dev1
    1.100.0.dev2
    1.100.0rc1
    1.100.1
    1.100.2
    1.100.3

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-7hp6-4w63-5g45 | CVE-DB