{"id":"CVE-2026-18800","kind":"vulnerability","aliases":["CVE-2026-18800"],"related":[],"title":"WSO2 Event Publisher logs irrelevant adapter properties, exposing credentials in logs","description":"When an Event Publisher output adapter is configured with properties that are irrelevant to its function, the affected products log these irrelevant properties. This can inadvertently include sensitive user credentials or other confidential information depending on the nature of the misconfigured property.\n\nA malicious actor with access to the 'wso2carbon' log files could retrieve sensitive information logged by the system. This may potentially lead to unauthorized access if the logged data contains credentials or other critical secrets.","summary":"When an Event Publisher output adapter is configured with properties that do not apply to its function, the product writes those properties to its logs. Anyone who can read the wso2carbon log files can see any credentials or secrets that were included in those properties.","severity":"medium","cvss":4.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["event-publisher","logging","other","wso2"],"not_affected_if":["no-event-publisher-adapters","no-irrelevant-properties-configured"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-02T10:17:11+00:00","first_seen_at":"2026-11-02T10:22:34+00:00","triaged_at":"2026-11-02T10:23:29+00:00","updated_at":"2026-11-02T10:23:29+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-11-02T10:23:29Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"WSO2 Event Publisher logs irrelevant adapter properties, exposing credentials in logs","impact":"medium","summary":"When an Event Publisher output adapter is configured with properties that do not apply to its function, the product writes those properties to its logs. Anyone who can read the wso2carbon log files can see any credentials or secrets that were included in those properties.","audience":"businesses","category":"other","nicknames":[],"who_cares":["wso2","event-publisher","logging"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"Credentials and secrets readable from wso2carbon log files","analyst_note":"Affected product names and versions are not in the sources; check the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-18800 for the WSO2 products and fixed releases.","how_to_check":"- unknown","plain_action":"","needs_analyst":true,"not_affected_if":["no-event-publisher-adapters","no-irrelevant-properties-configured"],"who_is_affected":"Teams running WSO2 products that use Event Publisher output adapters are exposed if such adapters carry credentials or secrets in properties that do not apply to them. The exposure is in the wso2carbon log files, so access to those files is the concern. Teams without WSO2 Event Publisher adapters can skip it.","user_interaction":"no","needs_special_setup":"yes","severity_if_unknown":"medium"},"cost_usd":0.000677,"input_tokens":4169,"output_tokens":520,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-18800':14A,17A '-2026':13A,16A 'access':115C,135C 'actor':113C 'adapt':6A,29B,74C 'affect':86C 'anyon':49B 'appli':37B 'confidenti':101C 'configur':31B,76C 'contain':140C 'could':121C 'credenti':9A,60B,98C,141C 'critic':144C 'cve':12A,15A 'data':139C 'depend':103C 'event':2A,19B,26B,71C 'event-publish':18B 'expos':8A 'file':56B,120C 'function':40B,84C 'inadvert':94C 'includ':65B,95C 'inform':102C,124C 'irrelev':5A,81C,90C 'lead':132C 'log':4A,11A,21B,48B,55B,88C,119C,125C,138C 'malici':112C 'may':130C 'misconfigur':109C 'natur':106C 'output':28B,73C 'potenti':131C 'product':42B,87C 'properti':7A,33B,45B,68B,78C,91C,110C 'publish':3A,20B,27B,72C 'read':52B 'retriev':122C 'secret':62B,145C 'see':58B 'sensit':96C,123C 'system':128C 'unauthor':134C 'user':97C 'write':43B 'wso2':1A,23B 'wso2carbon':54B,118C","nicknames":[],"mitigations":[],"who_affected":"Teams running WSO2 products that use Event Publisher output adapters are exposed if such adapters carry credentials or secrets in properties that do not apply to them. The exposure is in the wso2carbon log files, so access to those files is the concern. Teams without WSO2 Event Publisher adapters can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["eventpublisher","logging","medium","other","wso2"],"first_public_at":"2026-11-02T10:17:11+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","cvss_by":"ed10eef1-636d-4fbe-9993-6890dfa878f8","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-18800","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18800","severity":null,"published_at":"2026-11-02T10:17:11+00:00","modified_at":"2026-11-02T10:17:11+00:00","first_seen_at":"2026-11-02T10:22:34+00:00","fetched_at":"2026-11-02T10:22:34+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"}