{"id":"CVE-2026-115654","kind":"vulnerability","aliases":["CVE-2026-115654"],"related":[],"title":"Eclipse ThreadX: loaded modules can control other modules' threads","description":"In Eclipse ThreadX versions 6.0.1 through 6.5.2.202603, the Module Manager's thread-control services do not check that a thread passed by a user-mode, memory-protected module belongs to that module. Any loaded module can suspend, resume, terminate, reset or re-prioritise application threads and other modules' threads and abort their waits, denying service or changing how the system schedules them.","summary":"In Eclipse ThreadX 6.0.1 through 6.5.2.202603, the Module Manager's thread-control services do not check that a thread belongs to the calling module. Any loaded module can suspend, resume, terminate, reset or re-prioritise other threads, causing denial of service or changing scheduling.","severity":"medium","cvss":6.9,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["embedded","rtos","runtime","threadx"],"not_affected_if":["no-module-manager","outside-version-range"],"how_to_check":"- Check the ThreadX version in use against `6.0.1` through `6.5.2.202603`\n- Look for the Module Manager (user-mode, memory-protected modules) in the build configuration","fix":null,"status":"open","published_at":"2026-11-02T16:17:28+00:00","first_seen_at":"2026-11-02T16:24:04+00:00","triaged_at":"2026-11-02T16:26:44+00:00","updated_at":"2026-11-02T16:26:44+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-11-02T16:26:44Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Eclipse ThreadX: loaded modules can control other modules' threads","impact":"medium","summary":"In Eclipse ThreadX 6.0.1 through 6.5.2.202603, the Module Manager's thread-control services do not check that a thread belongs to the calling module. Any loaded module can suspend, resume, terminate, reset or re-prioritise other threads, causing denial of service or changing scheduling.","audience":"developers","category":"runtime","nicknames":[],"who_cares":["threadx","embedded","rtos"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"A loaded module can deny service to other threads.","analyst_note":"Confirm fixed version and whether a patch exists via the Eclipse ThreadX advisory on github.com.","how_to_check":"- Check the ThreadX version in use against `6.0.1` through `6.5.2.202603`\n- Look for the Module Manager (user-mode, memory-protected modules) in the build configuration\n- unknown for anything beyond this","plain_action":"","needs_analyst":true,"not_affected_if":["outside-version-range","no-module-manager"],"who_is_affected":"Teams building embedded or real-time systems on ThreadX with the Module Manager and more than one user-mode module loaded. Systems that use ThreadX without the Module Manager, or outside the listed versions, are not in the stated range. The sources do not say more.","user_interaction":"no","needs_special_setup":"yes","severity_if_unknown":"medium"},"cost_usd":0.000691,"input_tokens":4180,"output_tokens":546,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-115654':12A,15A '-2026':11A,14A '6.0.1':23B,70C '6.5.2.202603':25B,72C 'abort':120C 'applic':113C 'belong':40B,97C 'call':43B 'caus':59B 'chang':64B,126C 'check':36B,83C 'control':6A,32B,79C 'cve':10A,13A 'deni':123C 'denial':60B 'eclips':1A,21B,67C 'embed':16B 'load':3A,46B,102C 'manag':28B,75C 'memori':94C 'memory-protect':93C 'mode':92C 'modul':4A,8A,27B,44B,47B,74C,96C,100C,103C,117C 'pass':87C 'prioritis':56B,112C 'protect':95C 're':55B,111C 're-prioritis':54B,110C 'reset':52B,108C 'resum':50B,106C 'rtos':17B 'runtim':18B 'schedul':65B,130C 'servic':33B,62B,80C,124C 'suspend':49B,105C 'system':129C 'termin':51B,107C 'thread':9A,31B,39B,58B,78C,86C,114C,118C 'thread-control':30B,77C 'threadx':2A,19B,22B,68C 'user':91C 'user-mod':90C 'version':69C 'wait':122C","nicknames":[],"mitigations":[],"who_affected":"Teams building embedded or real-time systems on ThreadX with the Module Manager and more than one user-mode module loaded. Systems that use ThreadX without the Module Manager, or outside the listed versions, are not in the stated range. The sources do not say more.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"developers","plain_action":null,"pkeys":[],"ptokens":[],"labels":["embedded","medium","rtos","runtime","threadx"],"first_public_at":"2026-11-01T17:32:48+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/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":"emo@eclipse.org","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-115654","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115654","severity":null,"published_at":"2026-11-02T16:17:28+00:00","modified_at":"2026-11-02T16:17:28+00:00","first_seen_at":"2026-11-02T16:24:04+00:00","fetched_at":"2026-11-02T16:24:04+00:00","note":null}],"documents":[{"id":52761,"url":"https://github.com/eclipse-threadx/threadx/security/advisories/GHSA-5q6x-rxf3-5q5f","title":"Vendor advisory: github.com","kind":"vendor","source":"nvd","publisher":"vendor","text":null,"published_at":"2026-11-01T17:32:48+00:00","relation":"advisory","confidence":null,"note":"Vendor advisory: github.com"}],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}