SGLang-0.5.9-RCE

SGLang SSTI to RCE PoC — Unsandboxed Jinja2 Chat Template Rendering CVE-2026-5760 Remote Code Execution via Server-Side Template Injection SSTI in SGLang's reranking endpoint. A malicious GGUF model file with a crafted tokenizer.chattemplate achieves arbitrary code execution when loaded into SGLa...

CVE-2026-7669-PoC

CVE-2026-7669 SGLang silently overrides trustremotecode=False to True and re-invokes AutoTokenizer.frompretrained whenever transformers v5 returns a TokenizersBackend object. A model with a custom tokenizerclass and an automap pointing at tokenizer.py reaches arbitrary code execution inside the...

CVE-2026-112267

SGLang through 0.5.22 in prefill/decode disaggregation mode contains a server-side request forgery vulnerability that allows unauthenticated attackers to trigger outbound requests via client-supplied bootstraphost and bootstrapport fields. Attackers sending crafted requests to the Decode worker's...

CVE-2026-112270

SGLang through 0.5.22 with the Mooncake disaggregation backend contains an uncontrolled memory allocation vulnerability in handlestagingrsp that lets unauthenticated network-adjacent attackers exhaust Prefill memory. Attackers can obtain the rank address from the /route endpoint and send STAGINGR...

CVE-2026-112269

SGLang through 0.5.22 with the Mooncake disaggregation backend accepts unauthenticated decode registration messages on the Prefill rank ZMQ PULL socket, allowing denial of service. Network-adjacent attackers can send many registrations with unique mooncakesessionid values and large nested-buffer...

CVE-2026-112268

sglang-router sgl-model-gateway through 0.3.2 contains an authorization bypass vulnerability that allows holders of the data-plane API key to access mesh HA management routes because /ha/ endpoints skip control-plane Admin role checks. Attackers can read cluster topology, write gossiped...

CVE-2026-112266

SGLang through 0.5.22 contains a denial of service vulnerability that allows API clients to abort other users' in-flight generation requests by supplying a short client-controlled rid. Attackers can submit streaming /generate requests with single hex character rids and disconnect, triggering...

CVE-2026-112270 SGLang through 0.5.22 Memory Exhaustion via Mooncake STAGING_RSP chunk_idx

SGLang through 0.5.22 with the Mooncake disaggregation backend contains an uncontrolled memory allocation vulnerability in handlestagingrsp that lets unauthenticated network-adjacent attackers exhaust Prefill memory. Attackers can obtain the rank address from the /route endpoint and send STAGINGR...

CVE-2026-112270 SGLang through 0.5.22 Memory Exhaustion via Mooncake STAGING_RSP chunk_idx

SGLang through 0.5.22 with the Mooncake disaggregation backend contains an uncontrolled memory allocation vulnerability in handlestagingrsp that lets unauthenticated network-adjacent attackers exhaust Prefill memory. Attackers can obtain the rank address from the /route endpoint and send STAGINGR...

EUVD-2026-104303

SGLang through 0.5.22 with the Mooncake disaggregation backend contains an uncontrolled memory allocation vulnerability in handlestagingrsp that lets unauthenticated network-adjacent attackers exhaust Prefill memory. Attackers can obtain the rank address from the /route endpoint and send STAGINGR...

CVE-2026-112270

Versions of SGLang up to and including 0.5.22 using the Mooncake disaggregation backend are vulnerable to an uncontrolled memory allocation vulnerability within the handle_staging_rsp() function. An unauthenticated network-adjacent attacker can exhaust Prefill memory by first obtaining a rank add...

CVE-2026-112269 SGLang through 0.5.22 Memory Exhaustion via Unauthenticated Mooncake Decode Registrations

SGLang through 0.5.22 with the Mooncake disaggregation backend accepts unauthenticated decode registration messages on the Prefill rank ZMQ PULL socket, allowing denial of service. Network-adjacent attackers can send many registrations with unique mooncakesessionid values and large nested-buffer...

CVE-2026-112268 sglang-router through 0.3.2 Authorization Bypass via Mesh HA Management Routes

sglang-router sgl-model-gateway through 0.3.2 contains an authorization bypass vulnerability that allows holders of the data-plane API key to access mesh HA management routes because /ha/ endpoints skip control-plane Admin role checks. Attackers can read cluster topology, write gossiped...

CVE-2026-112268 sglang-router through 0.3.2 Authorization Bypass via Mesh HA Management Routes

sglang-router sgl-model-gateway through 0.3.2 contains an authorization bypass vulnerability that allows holders of the data-plane API key to access mesh HA management routes because /ha/ endpoints skip control-plane Admin role checks. Attackers can read cluster topology, write gossiped...

EUVD-2026-104305

sglang-router sgl-model-gateway through 0.3.2 contains an authorization bypass vulnerability that allows holders of the data-plane API key to access mesh HA management routes because /ha/ endpoints skip control-plane Admin role checks. Attackers can read cluster topology, write gossiped...

CVE-2026-112269 SGLang through 0.5.22 Memory Exhaustion via Unauthenticated Mooncake Decode Registrations

SGLang through 0.5.22 with the Mooncake disaggregation backend accepts unauthenticated decode registration messages on the Prefill rank ZMQ PULL socket, allowing denial of service. Network-adjacent attackers can send many registrations with unique mooncakesessionid values and large nested-buffer...

CVE-2026-112268

The sglang-router (sgl-model-gateway) version 0.3.2 and below is vulnerable to an authorization bypass due to insufficient access control on mesh HA management routes . Specifically, the */ha/ endpoints fail to perform required control-plane Admin role checks. This allows holders of a standard da...

EUVD-2026-104304

SGLang through 0.5.22 with the Mooncake disaggregation backend accepts unauthenticated decode registration messages on the Prefill rank ZMQ PULL socket, allowing denial of service. Network-adjacent attackers can send many registrations with unique mooncakesessionid values and large nested-buffer...

CVE-2026-112269

SGLang versions through 0.5.22 using the Mooncake disaggregation backend are vulnerable to a memory exhaustion attack. The root cause is that the system accepts unauthenticated decode registration messages on the Prefill rank ZMQ PULL socket. A network-adjacent attacker can trigger a Denial of Se...

CVE-2026-112267

SGLang versions through 0.5.22 are vulnerable to a Server-Side Request Forgery (SSRF) vulnerability when operating in prefill/decode disaggregation mode . The flaw exists in the Decode worker because the /generate endpoint fails to properly validate the client-supplied bootstrap_host and bootstra...