CVE-2026-15969

Summary

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 Software

Weaknesses

• CWE-502 Deserialization of Untrusted Data

References

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

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