CVE-2026-111392
MEDIUM
CVSS 4.8
Published: 2026-10-16
Modified: 2026-10-16
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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.
Quick Facts
| CVE ID | CVE-2026-111392 |
| CVSS Score | 4.8 |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |
| Published | 2026-10-16 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |
References
- https://github.com/sgl-project/sglang/blob/v0.5.21/python/sg…
- https://github.com/sgl-project/sglang/blob/v0.5.21/python/sg…
- https://github.com/sgl-project/sglang/issues/44641
- https://github.com/sgl-project/sglang/pull/44653
- https://www.vulncheck.com/advisories/sglang-through-0.5.21-k…
- https://github.com/sgl-project/sglang/issues/44641