CVE-2026-15969

9.8 criticalEPSS 1.0%

Critical (9.8) in lmsys sglang. EPSS 1.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)
CWE: CWE-502
Published: 2026-07-30
Modified: 2026-08-04
Record from: the NVD, synced 2026-10-19

Affected

lmsys:sglang

References

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

Check your stack JSON