Vulnerability · Published Oct 11, 2026 · Assigned by VulnCheck
CVE-2026-108858Predibase LoRAX through 0.12.1 API Token Exposure via Router Logs
Medium 5.5
In plain English
A medium-severity sensitive data in logs in LoRAX from Predibase. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 93.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Predibase LoRAX through 0.12.1 contains a sensitive information exposure vulnerability that writes the caller-supplied api_token from POST /generate request bodies into router logs. Attackers with access to router logs or OTLP trace backends can recover other users' private-adapter tokens recorded through the instrumented GenerateParameters span field.
Affected products (as reported)
Weakness: CWE-532 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/predibase-lorax-generate-api-token-logging third-party-advisory
- https://github.com/predibase/lorax/blob/c0e5798318a6b826572c612ddd4cf44621aa4add/router/src/server.rs#L584-L596 technical-description
- https://github.com/predibase/lorax/blob/c0e5798318a6b826572c612ddd4cf44621aa4add/router/src/lib.rs#L182-L188 technical-description
- https://github.com/predibase/lorax product
- VulnCheck Advisory: Predibase LoRAX through 0.12.1 API Token Exposure via Router Logs third-party-advisory
- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/cve-2026-108858-predibase-lorax-generate-api-token-logging exploit