by Kastro
Paper/Archive/CVE-2026-15969

CVE-2026-15969

SGLang SGLang — CVE-2026-15969

EPSS 1%CVSS 9.8
critical.is priorityof 100
42
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 63.5.635 × 2012.7No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
SGLang≤ v0.5.15–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refgithub.com/sgl-project/sglang/security/advisories/GHSA-2wvm-gjg7-5jfmrefthoughts.apoorvdayal.com/posts/sglang-disclosures