CVE-2026-111392
Medium
Description
SGLang through 0.5.21 trusts caller-supplied mm_hashes values as the multimodal prefix-cache key, allowing remote attackers to poison cached KV entries across requests. Attackers can send a different image under a known or predicted hash via /generate to disclose another request's image content or corrupt victims' responses.
SeverityMedium
CVSS4.8
Exploit probability—
ProductSgl-project Sglang
PublishedOct 16, 2026
First seenOct 16, 2026
Weakness typeCWE-345CWE-345
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| sgl-project sglang | 0.5.13 ≤ v ≤ 0.5.21 | — |
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