{"id":"CVE-2026-101573","kind":"vulnerability","aliases":["CVE-2026-101573"],"related":[],"title":"Helidon: HTTP auth provider flaw exposes data to unauthenticated network attackers","description":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-security-providers-http-auth).  Supported versions that are affected are 3.0.0-3.2.21, 4.0.0-4.5.5 and 27.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon.  While the vulnerability is in Helidon, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all Helidon accessible data. CVSS 3.1 Base Score 6.8 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N).","summary":"The helidon-security-providers-http-auth component of Oracle's Helidon framework has a flaw that lets an unauthenticated attacker reach data over HTTP. Successful exploitation can expose critical data or all data accessible to Helidon, per the NVD description.","severity":"medium","cvss":6.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["helidon","java","package","self-hosted"],"not_affected_if":["unaffected-version"],"how_to_check":"- Check the Helidon version in the project's dependency file (for example `pom.xml` or `build.gradle`) and look for `helidon-security-providers-http-auth`\n- Confirm whether the affected versions 3.0.0-3.2.21, 4.0.0-4.5.5 or 27.0.0 are in use","fix":"- Upgrade Helidon to a version outside the affected ranges (3.0.0-3.2.21, 4.0.0-4.5.5, 27.0.0); the fixed version is unknown from the sources\n- Check Oracle's security advisory for the patched release","status":"open","published_at":"2026-10-20T22:18:10+00:00","first_seen_at":"2026-10-23T21:57:22+00:00","triaged_at":"2026-10-25T03:44:36+00:00","updated_at":"2026-10-25T03:44:36+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-25T03:44:36Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade Helidon to a version outside the affected ranges (3.0.0-3.2.21, 4.0.0-4.5.5, 27.0.0); the fixed version is unknown from the sources\n- Check Oracle's security advisory for the patched release","reach":"network","title":"Helidon: HTTP auth provider flaw exposes data to unauthenticated network attackers","impact":"medium","summary":"The helidon-security-providers-http-auth component of Oracle's Helidon framework has a flaw that lets an unauthenticated attacker reach data over HTTP. Successful exploitation can expose critical data or all data accessible to Helidon, per the NVD description.","category":"package","nicknames":[],"who_cares":["java","helidon","self-hosted"],"confidence":0.6,"needs_auth":"no","worst_case":"Unauthenticated attacker reads critical or all Helidon-accessible data","analyst_note":"Find the patched Helidon version and any Oracle advisory details at the NVD link or Oracle's security alerts page.","how_to_check":"- Check the Helidon version in the project's dependency file (for example `pom.xml` or `build.gradle`) and look for `helidon-security-providers-http-auth`\n- Confirm whether the affected versions 3.0.0-3.2.21, 4.0.0-4.5.5 or 27.0.0 are in use","needs_analyst":true,"not_affected_if":["unaffected-version"],"who_is_affected":"Applications that use Helidon with the HTTP authentication security provider and are exposed to network HTTP traffic. The sources do not describe a specific configuration, so the exposure path beyond the affected version ranges is unknown. Teams on versions outside the listed ranges are not affected by this entry.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000672,"input_tokens":3511,"output_tokens":641,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-101573':14A,17A '-2026':13A,16A '/av':154C '27.0.0':92C '3.0.0':87C '3.1':144C,153C '3.2.21':88C '4.0.0':89C '4.5.5':90C '6.8':147C 'access':58B,102C,131C,137C,141C 'addit':118C 'affect':85C 'allow':97C 'attack':11A,44B,99C,114C,123C 'auth':3A,30B,80C 'base':145C 'c/c':159C 'chang':121C 'complet':136C 'compon':31B,74C 'compromis':106C 'confidenti':148C 'critic':53B,133C 'cve':12A,15A 'cvss':143C,150C,152C 'data':7A,46B,54B,57B,134C,142C 'descript':64B 'difficult':93C 'exploit':50B,95C 'expos':6A,52B 'flaw':5A,39B 'framework':36B 'fusion':72C 'h/i':160C 'h/pr':156C 'helidon':1A,18B,26B,35B,60B,68C,76C,107C,113C,140C 'helidon-security-providers-http-auth':25B,75C 'host':23B 'http':2A,29B,48B,79C,104C 'impact':117C,149C 'java':19B 'let':41B 'may':115C 'middlewar':73C 'n':162C 'n/a':161C 'n/ac':155C 'n/s':158C 'n/ui':157C 'network':10A,101C 'nvd':63B 'oracl':33B,71C 'packag':20B 'per':61B 'product':69C,119C 'provid':4A,28B,78C 'reach':45B 'result':128C 'scope':120C 'score':146C 'secur':27B,77C 'self':22B 'self-host':21B 'signific':116C 'success':49B,122C 'support':81C 'unauthent':9A,43B,98C 'unauthor':130C 'vector':151C 'version':82C 'via':103C 'vulner':65C,96C,110C,126C","nicknames":[],"mitigations":[],"who_affected":"Applications that use Helidon with the HTTP authentication security provider and are exposed to network HTTP traffic. The sources do not describe a specific configuration, so the exposure path beyond the affected version ranges is unknown. Teams on versions outside the listed ranges are not affected by this entry.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:10+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-101573","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101573","severity":null,"published_at":"2026-10-20T22:18:10+00:00","modified_at":"2026-10-21T14:29:49+00:00","first_seen_at":"2026-10-23T21:57:22+00:00","fetched_at":"2026-10-23T22:28:58+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"}