{"schemaVersion":3,"id":"CVE-2026-59821","aliases":["GHSA-72m8-9m7m-h278","PYSEC-2026-3478"],"status":"published","duplicateOf":null,"title":null,"description":"LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to 1.82.0-stable, LiteLLM's Custom Code Guardrails production create and update paths did not apply the same sandboxing and validation used by the test endpoint, allowing a privileged user with access to create or update guardrails to submit custom Python code that executed in the LiteLLM proxy environment and could expose secrets available to the process. This issue is fixed in version 1.82.0-stable.","dates":{"published":"2026-07-08T19:14:13.265Z","modified":"2026-07-09T14:38:09.991Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.2,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":2.1,"severity":"low","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"OSV · Pypi","score":2.1,"severity":"low","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","exploitability":null,"impact":null,"computed":true},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":2.1,"severity":"low","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.2,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00904,"percentile":0.59167,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00904},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00904,"percentile":0.59167}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00904,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00904,"percentile":0.59167}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-94","name":"Improper Control of Generation of Code ('Code Injection')","description":"The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/94.html"}],"affected":[{"vendor":"berriai","product":"litellm","name":"LiteLLM","label":"litellm","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 1.82.0-stable","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.82.0-stable","eol":null,"hubHref":"/vendor/berriai/litellm"},{"vendor":"litellm","product":"litellm","name":"litellm","label":"litellm","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 1.82.0","noFixRecorded":false,"fixedIn":null},{"text":"1.82.0:nightly","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.82.0 | 1.82.0:nightly","eol":null,"hubHref":"/vendor/litellm/litellm"},{"vendor":"PyPI","product":"litellm","name":"litellm","label":"litellm","ecosystem":"PyPI","cpePart":null,"purl":"pkg:pypi/litellm","purlType":"pypi","versions":[{"text":"< 1.82.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.82.0","eol":null,"hubHref":null}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://github.com/BerriAI/litellm/security/advisories/GHSA-72m8-9m7m-h278","label":"github.com/BerriAI/litellm/security/advisories/GHSA-72m8-9m7m-h278","hostname":"github.com","tags":["X Refsource CONFIRM","WEB","Mitigation","Patch","Vendor Advisory"]},{"url":"https://github.com/BerriAI/litellm/commit/e50b4486d0f7aa0497185a1ebcdd2c91f1769eba","label":"github.com/BerriAI/litellm/commit/e50b4486d0f7aa0497185a1ebcdd2c91f1769eba","hostname":"github.com","tags":["X Refsource MISC","WEB","Patch"]},{"url":"https://github.com/BerriAI/litellm/releases/tag/v1.82.0-stable","label":"github.com/BerriAI/litellm/releases/tag/v1.82.0-stable","hostname":"github.com","tags":["X Refsource MISC","WEB","Product","Release Notes"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59821","label":"nvd.nist.gov/vuln/detail/CVE-2026-59821","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/BerriAI/litellm","label":"github.com/BerriAI/litellm","hostname":"github.com","tags":["PACKAGE"]},{"url":"https://pypi.org/project/litellm","label":"pypi.org/project/litellm","hostname":"pypi.org","tags":["PACKAGE"]},{"url":"https://github.com/advisories/GHSA-72m8-9m7m-h278","label":"github.com/advisories/GHSA-72m8-9m7m-h278","hostname":"github.com","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-07-08T19:14:13.265Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-07-09T14:38:09.991Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":29,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T21:54:57.427Z","stale":false,"partial":false}}