{"id":"CVE-2026-111391","kind":"vulnerability","aliases":["CVE-2026-111391"],"related":[],"title":"SGLang 0.5.10 through 0.5.22 contains a code injection vulnerability in _evaluate_filter() that allows remote…","description":"SGLang 0.5.10 through 0.5.22 contains a code injection vulnerability in _evaluate_filter() that allows remote attackers to execute Python code by escaping the eval() sandbox through re.search __globals__. Attackers can send a crafted filter expression to the unauthenticated /dumper/configure endpoint when DUMPER_SERVER_PORT is set, running code in the scheduler process on the next forward pass.","summary":"SGLang, an LLM serving framework, has a code injection flaw in its dumper filter evaluation that lets remote attackers run Python code. An attacker escapes the eval() sandbox through re.search __globals__ and sends a crafted filter to an unauthenticated endpoint.","severity":"critical","cvss":9.2,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["ai-tooling","llm-serving","python","self-hosted","sglang"],"not_affected_if":["default-config","versions-outside-0.5.10-0.5.22"],"how_to_check":"Check whether the environment variable DUMPER_SERVER_PORT is set on SGLang servers running versions 0.5.10 through 0.5.22.","fix":"Upgrade SGLang to a version newer than 0.5.22 if one is released, or unset DUMPER_SERVER_PORT and block network access to the dumper port.","status":"open","published_at":"2026-10-16T12:16:33+00:00","first_seen_at":"2026-10-23T21:57:12+00:00","triaged_at":"2026-10-23T22:09:09+00:00","updated_at":"2026-10-23T22:28:55+00:00","category":"ai-tooling","confidence":0.7,"triage":{"at":"2026-10-23T22:09:09Z","model":"claude-haiku-5-5","output":{"fix":"Upgrade SGLang to a version newer than 0.5.22 if one is released, or unset DUMPER_SERVER_PORT and block network access to the dumper port.\nunknown","reach":"network","impact":"high","summary":"SGLang, an LLM serving framework, has a code injection flaw in its dumper filter evaluation that lets remote attackers run Python code. An attacker escapes the eval() sandbox through re.search __globals__ and sends a crafted filter to an unauthenticated endpoint.","category":"ai-tooling","who_cares":["sglang","self-hosted","llm-serving","python"],"confidence":0.7,"needs_auth":"no","worst_case":"Remote attacker runs arbitrary Python code in the scheduler process","analyst_note":"Confirm the fixed version and whether a mitigation exists beyond unsetting DUMPER_SERVER_PORT; check the NVD entry and SGLang's GitHub advisory for the patch release.","how_to_check":"Check whether the environment variable DUMPER_SERVER_PORT is set on SGLang servers running versions 0.5.10 through 0.5.22.\nunknown\nunknown","needs_analyst":true,"not_affected_if":["default-config","versions-outside-0.5.10-0.5.22"],"user_interaction":"no","needs_special_setup":"yes","severity_if_unknown":"critical"},"cost_usd":0.000521,"input_tokens":2806,"output_tokens":481,"severity_before":"critical"},"analyst_status":null,"analyst_note":null,"search":"'-111391':18A,21A '-2026':17A,20A '/dumper/configure':111C '0.5.10':2A,74C '0.5.22':4A,76C 'ai':23B 'ai-tool':22B 'allow':14A,86C 'attack':51B,56B,88C,101C 'code':7A,40B,54B,79C,92C,120C 'contain':5A,77C 'craft':67B,105C 'cve':16A,19A 'dumper':45B,114C 'endpoint':72B,112C 'escap':57B,94C 'eval':59B,96C 'evalu':11A,47B,83C 'execut':90C 'express':107C 'filter':12A,46B,68B,84C,106C 'flaw':42B 'forward':128C 'framework':37B 'global':63B,100C 'host':31B 'inject':8A,41B,80C 'let':49B 'llm':26B,35B 'llm-serv':25B 'next':127C 'pass':129C 'port':116C 'process':124C 'python':28B,53B,91C 're.search':62B,99C 'remot':15A,50B,87C 'run':52B,119C 'sandbox':60B,97C 'schedul':123C 'self':30B 'self-host':29B 'send':65B,103C 'serv':27B,36B 'server':115C 'set':118C 'sglang':1A,32B,33B,73C 'tool':24B 'unauthent':71B,110C 'vulner':9A,81C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-16T12:16:33+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","cvss_by":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-111391","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111391","severity":null,"published_at":"2026-10-16T12:16:33+00:00","modified_at":"2026-10-16T14:17:23+00:00","first_seen_at":"2026-10-23T21:57:12+00:00","fetched_at":"2026-10-23T22:28:55+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}