CVE-2026-59820
MEDIUM 6.1 ALL-YEARSLiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to 1.83.7-stable, LiteLLM Skills archive extraction did not sufficiently validate file paths from uploaded skill ZIP archives, allowing an authenticated user with access to LiteLLM LLM API routes or a key whose allowed_routes includes /v1/skills, anthropic_routes, or llm_api_routes to upload a crafted skill archive containing path traversal entries that could be written outside the intended extraction or staging directory. This issue is fixed in version 1.83.7-stable.
No known exploitation, public exploit, or elevated probability at this time. Track for changes.
Exploitation likelihood
0.6%chance of exploitation in 30 days · 48th percentile
Impact if exploited
6.1CVSS 4.0 · MEDIUM · CNA
- ConfidentialityNone
- IntegrityHigh
- AvailabilityHigh
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ⚠Privileges: Requires a low-privilege account
- ✓User interaction: No user interaction needed
- ✓Complexity: No special conditions — reliably repeatable
- ⚠Requirements: Specific conditions must be present
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept
No public PoC is currently catalogued.
Search for new PoCs
Search GitHub now — results may be empty or unverified.
Tracked sources are checked weekly for the full archive, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.
Weakness (CWE)
- CWE-22: : Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
References and research data (JSON)
Packages and version ranges
Each advisory describes its own package and affected ranges. A boundary applies to that range; it is not a universal upgrade recommendation.
litellm PyPI
pkg:pypi/litellm
ECOSYSTEM range- All earlier versions (introduced 0)
- Fixed boundary (excluded): 1.83.7
734 explicitly listed affected versions
0.1.0, 0.1.1, 0.1.2, 0.1.201, 0.1.202, 0.1.203, 0.1.204, 0.1.205, 0.1.206, 0.1.207, 0.1.208, 0.1.209, 0.1.210, 0.1.211, 0.1.212, 0.1.213, 0.1.214, 0.1.215, 0.1.216, 0.1.217, 0.1.218, 0.1.219, 0.1.220, 0.1.221, 0.1.222, 0.1.223, 0.1.224, 0.1.225, 0.1.226, 0.1.227, 0.1.228, 0.1.229, 0.1.2291, 0.1.230, 0.1.231, 0.1.232, 0.1.233, 0.1.234, 0.1.235, 0.1.236, 0.1.237, 0.1.238, 0.1.3, 0.1.31, 0.1.32, 0.1.330, 0.1.331, 0.1.34, 0.1.341, 0.1.343, 0.1.345, 0.1.347, 0.1.348, 0.1.349, 0.1.351, 0.1.352, 0.1.353, 0.1.354, 0.1.356, 0.1.360, 0.1.361, 0.1.362, 0.1.363, 0.1.364, 0.1.365, 0.1.366, 0.1.367, 0.1.368, 0.1.369, 0.1.370, 0.1.371, 0.1.372, 0.1.373, 0.1.375, 0.1.376, 0.1.379, 0.1.380, 0.1.381, 0.1.383, 0.1.384, 0.1.385, 0.1.386, 0.1.387, 0.1.388, 0.1.389, 0.1.392, 0.1.393, 0.1.394, 0.1.398, 0.1.399, 0.1.400, 0.1.401, 0.1.402, 0.1.403, 0.1.404, 0.1.405, 0.1.410, 0.1.411, 0.1.412, 0.1.415, 0.1.419, 0.1.420, 0.1.421, 0.1.422, 0.1.424, 0.1.425, 0.1.426, 0.1.429, 0.1.433, 0.1.434, 0.1.435, 0.1.436, 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GitHub Advisory Database · GHSA-5jmr-gcrj-2c9q · Updated 2026-09-10T03:51:10.470938459ZAdditional upstream package constraints
{ "database": { "source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/07/GHSA-5jmr-gcrj-2c9q/GHSA-5jmr-gcrj-2c9q.json" } }litellm PyPI
pkg:pypi/litellm
ECOSYSTEM range- All earlier versions (introduced 0)
- Fixed boundary (excluded): 1.83.7
1108 explicitly listed affected versions
0.1.0, 0.1.1, 0.1.2, 0.1.201, 0.1.202, 0.1.203, 0.1.204, 0.1.205, 0.1.206, 0.1.207, 0.1.208, 0.1.209, 0.1.210, 0.1.211, 0.1.212, 0.1.213, 0.1.214, 0.1.215, 0.1.216, 0.1.217, 0.1.218, 0.1.219, 0.1.220, 0.1.221, 0.1.222, 0.1.223, 0.1.224, 0.1.225, 0.1.226, 0.1.227, 0.1.228, 0.1.229, 0.1.2291, 0.1.230, 0.1.231, 0.1.232, 0.1.233, 0.1.234, 0.1.235, 0.1.236, 0.1.237, 0.1.238, 0.1.3, 0.1.31, 0.1.32, 0.1.330, 0.1.331, 0.1.34, 0.1.341, 0.1.343, 0.1.345, 0.1.347, 0.1.348, 0.1.349, 0.1.351, 0.1.352, 0.1.353, 0.1.354, 0.1.356, 0.1.360, 0.1.361, 0.1.362, 0.1.363, 0.1.364, 0.1.365, 0.1.366, 0.1.367, 0.1.368, 0.1.369, 0.1.370, 0.1.371, 0.1.372, 0.1.373, 0.1.375, 0.1.376, 0.1.379, 0.1.380, 0.1.381, 0.1.383, 0.1.384, 0.1.385, 0.1.386, 0.1.387, 0.1.388, 0.1.389, 0.1.392, 0.1.393, 0.1.394, 0.1.398, 0.1.399, 0.1.400, 0.1.401, 0.1.402, 0.1.403, 0.1.404, 0.1.405, 0.1.410, 0.1.411, 0.1.412, 0.1.415, 0.1.419, 0.1.420, 0.1.421, 0.1.422, 0.1.424, 0.1.425, 0.1.426, 0.1.429, 0.1.433, 0.1.434, 0.1.435, 0.1.436, 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1.9.1, 1.9.2, 1.9.3, 1.9.4, 1.9.5, 1.9.dev0
PyPA · PYSEC-2026-3477 · Updated 2026-07-23T15:00:15.302353609ZAdditional upstream package constraints
{ "database": { "source": "https://github.com/pypa/advisory-database/blob/main/vulns/litellm/PYSEC-2026-3477.yaml" } }
Vendor product assessments
exploit-intelligence-tech-preview/vulnerability-analysis-rhel9 as a component of Exploit Intelligence · known affected
Vendor assessment for this product only.
pkg:oci/vulnerability-analysis-rhel9?repository_url=registry.redhat.io/exploit-intelligence-tech-preview/vulnerability-analysis-rhel9
- workaround: Upgrade to LiteLLM 1.83.7-stable or later. Products that use LiteLLM only as a Python SDK (litellm.completion()) rather than running the LiteLLM Proxy Server with the Skills feature enabled are not exposed to this vulnerability, as the vulnerable HTTP upload endpoint does not exist in SDK-only usage.
- none available: Affected
lightspeed-core/lightspeed-stack-rhel9 as a component of Lightspeed Core · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:oci/lightspeed-stack-rhel9?repository_url=registry.redhat.io/lightspeed-core/lightspeed-stack-rhel9
Red Hat · CVE-2026-59820 · Updated 2026-07-13T13:36:04+00:00ansible-automation-platform-26/lightspeed-chatbot-rhel9 as a component of Red Hat Ansible Automation Platform 2 · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:oci/lightspeed-chatbot-rhel9?repository_url=registry.redhat.io/ansible-automation-platform-26/lightspeed-chatbot-rhel9
Red Hat · CVE-2026-59820 · Updated 2026-07-13T13:36:04+00:00ansible-automation-platform-27/lightspeed-chatbot-rhel9 as a component of Red Hat Ansible Automation Platform 2 · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:oci/lightspeed-chatbot-rhel9?repository_url=registry.redhat.io/ansible-automation-platform-27/lightspeed-chatbot-rhel9
Red Hat · CVE-2026-59820 · Updated 2026-07-13T13:36:04+00:00rhoai/odh-llama-stack-core-rhel9 as a component of Red Hat OpenShift AI (RHOAI) · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:oci/odh-llama-stack-core-rhel9?repository_url=registry.redhat.io/rhoai/odh-llama-stack-core-rhel9
Red Hat · CVE-2026-59820 · Updated 2026-07-13T13:36:04+00:00rhoai/odh-mlflow-rhel9 as a component of Red Hat OpenShift AI (RHOAI) · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:oci/odh-mlflow-rhel9?repository_url=registry.redhat.io/rhoai/odh-mlflow-rhel9
Red Hat · CVE-2026-59820 · Updated 2026-07-13T13:36:04+00:00rhoai/odh-trustyai-garak-lls-provider-dsp-rhel9 as a component of Red Hat OpenShift AI (RHOAI) · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:oci/odh-trustyai-garak-lls-provider-dsp-rhel9?repository_url=registry.redhat.io/rhoai/odh-trustyai-garak-lls-provider-dsp-rhel9
Red Hat · CVE-2026-59820 · Updated 2026-07-13T13:36:04+00:00
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Litellm | Litellm | < 1.83.7 |
| Litellm | Litellm | 1.83.7 |
All CVSS metrics
- MEDIUM 6.1 v4.0 · CNA Primary
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N - MEDIUM 6.1 v4.0 · NVD Secondary
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:H/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 - MEDIUM 6.5 v3.1 · NVD Primary
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
References
Patches & mitigations
- https://github.com/BerriAI/litellm/security/advisories/GHSA-5jmr-gcrj-2c9q CVE record · GitHub_M · Updated 2026-07-08T19:32:11.739Z
NVD · CVE-2026-59820 · Updated 2026-10-25T17:10:00.197
GitHub Advisory Database · GHSA-5jmr-gcrj-2c9q
PyPA · PYSEC-2026-3477
GitHub Advisory Database · GHSA-5jmr-gcrj-2c9q · Updated 2026-09-10T03:51:10.470938459Z
Red Hat · CVE-2026-59820 · Updated 2026-07-13T13:36:04+00:00 - https://github.com/BerriAI/litellm/pull/25475 CVE record · GitHub_M · Updated 2026-07-08T19:32:11.739Z
NVD · CVE-2026-59820 · Updated 2026-10-25T17:10:00.197
GitHub Advisory Database · GHSA-5jmr-gcrj-2c9q
PyPA · PYSEC-2026-3477
GitHub Advisory Database · GHSA-5jmr-gcrj-2c9q · Updated 2026-09-10T03:51:10.470938459Z
Red Hat · CVE-2026-59820 · Updated 2026-07-13T13:36:04+00:00 - https://github.com/BerriAI/litellm/commit/6a15adcd64137d37f73dee76dfe7481f8c2d9196 CVE record · GitHub_M · Updated 2026-07-08T19:32:11.739Z
NVD · CVE-2026-59820 · Updated 2026-10-25T17:10:00.197
GitHub Advisory Database · GHSA-5jmr-gcrj-2c9q
PyPA · PYSEC-2026-3477
GitHub Advisory Database · GHSA-5jmr-gcrj-2c9q · Updated 2026-09-10T03:51:10.470938459Z
Red Hat · CVE-2026-59820 · Updated 2026-07-13T13:36:04+00:00
Advisories
- https://osv.dev/vulnerability/GHSA-5jmr-gcrj-2c9q GitHub Advisory Database · GHSA-5jmr-gcrj-2c9q
GitHub Advisory Database · GHSA-5jmr-gcrj-2c9q · Updated 2026-09-10T03:51:10.470938459Z - https://nvd.nist.gov/vuln/detail/CVE-2026-59820 GitHub Advisory Database · GHSA-5jmr-gcrj-2c9q
PyPA · PYSEC-2026-3477
GitHub Advisory Database · GHSA-5jmr-gcrj-2c9q · Updated 2026-09-10T03:51:10.470938459Z
Red Hat · CVE-2026-59820 · Updated 2026-07-13T13:36:04+00:00 - https://osv.dev/vulnerability/PYSEC-2026-3477 PyPA · PYSEC-2026-3477
PyPA · PYSEC-2026-3477 · Updated 2026-07-23T15:00:15.302353609Z - https://github.com/advisories/GHSA-5jmr-gcrj-2c9q PyPA · PYSEC-2026-3477
PyPA · PYSEC-2026-3477 · Updated 2026-07-23T15:00:15.302353609Z - https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-59820.json Red Hat · CVE-2026-59820 · Updated 2026-07-13T13:36:04+00:00
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-42357 EUVD · EUVD-2026-42357
Technical & other
- https://github.com/BerriAI/litellm/releases/tag/v1.83.7-stable CVE record · GitHub_M · Updated 2026-07-08T19:32:11.739Z
NVD · CVE-2026-59820 · Updated 2026-10-25T17:10:00.197
GitHub Advisory Database · GHSA-5jmr-gcrj-2c9q
PyPA · PYSEC-2026-3477
GitHub Advisory Database · GHSA-5jmr-gcrj-2c9q · Updated 2026-09-10T03:51:10.470938459Z
Red Hat · CVE-2026-59820 · Updated 2026-07-13T13:36:04+00:00 - https://github.com/BerriAI/litellm GitHub Advisory Database · GHSA-5jmr-gcrj-2c9q
PyPA · PYSEC-2026-3477
GitHub Advisory Database · GHSA-5jmr-gcrj-2c9q · Updated 2026-09-10T03:51:10.470938459Z - https://pypi.org/project/litellm PyPA · PYSEC-2026-3477
PyPA · PYSEC-2026-3477 · Updated 2026-07-23T15:00:15.302353609Z - https://access.redhat.com/security/cve/CVE-2026-59820 Red Hat · CVE-2026-59820 · Updated 2026-07-13T13:36:04+00:00
- https://bugzilla.redhat.com/show_bug.cgi?id=2498198 Red Hat · CVE-2026-59820 · Updated 2026-07-13T13:36:04+00:00
- https://www.cve.org/CVERecord?id=CVE-2026-59820 Red Hat · CVE-2026-59820 · Updated 2026-07-13T13:36:04+00:00
Sources: NVD · CVE.org · All sources and attribution · EPSS