CVE-2026-15969

critical

Description

SGLang contains an unauthenticated RCE in /load_lora_adapter_from_tensors via bypass of SafeUnpickler’s incomplete denylist, allowing arbitrary command execution through crafted base64-encoded pickle payloads.

References

https://thoughts.apoorvdayal.com/posts/sglang-disclosures/

https://kb.cert.org/vuls/id/281278

https://github.com/sgl-project/sglang/security/advisories/GHSA-2wvm-gjg7-5jfm

Details

Source: Mitre, NVD

Published: 2026-07-30

Updated: 2026-08-04

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H