{"id":"CVE-2026-101515","kind":"vulnerability","aliases":["CVE-2026-101515"],"related":[],"title":"Oracle WebLogic Server: unauthenticated HTTP flaw exposes critical data","description":"Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Centralized Thirdparty Jars).  Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and  15.1.1.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server.  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 5.9 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).","summary":"A flaw in the Centralized Thirdparty Jars component of Oracle WebLogic Server can be reached over HTTP without logging in. A successful attack gives unauthorized read access to critical data the server can reach.","severity":"medium","cvss":5.9,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["enterprise","java","oracle-weblogic","runtime","self-hosted"],"not_affected_if":["no-http-exposure","unaffected-version"],"how_to_check":"- Check the installed WebLogic version against the affected list: `12.2.1.4.0`, `14.1.1.0.0`, `14.1.2.0.0`, `15.1.1.0.0`\n- Confirm whether the Oracle Critical Patch Update advisory for the product lists this CVE as applicable to your installed patch level: unknown","fix":"- Apply the Oracle security patch for WebLogic Server from the current Critical Patch Update: unknown patch number\n- Restrict HTTP access to WebLogic admin and application ports to trusted networks until patched","status":"open","published_at":"2026-10-20T22:18:00+00:00","first_seen_at":"2026-10-23T21:57:22+00:00","triaged_at":"2026-10-25T04:08:34+00:00","updated_at":"2026-10-25T04:08:34+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-10-25T04:08:34Z","model":"claude-haiku-5-5","output":{"fix":"- Apply the Oracle security patch for WebLogic Server from the current Critical Patch Update: unknown patch number\n- Restrict HTTP access to WebLogic admin and application ports to trusted networks until patched","reach":"internet","title":"Oracle WebLogic Server: unauthenticated HTTP flaw exposes critical data","impact":"medium","summary":"A flaw in the Centralized Thirdparty Jars component of Oracle WebLogic Server can be reached over HTTP without logging in. A successful attack gives unauthorized read access to critical data the server can reach.","category":"runtime","nicknames":[],"who_cares":["oracle-weblogic","java","self-hosted","enterprise"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker reads critical data the WebLogic server can access","analyst_note":"Check the Oracle Critical Patch Update advisory for the patch number and any listed workaround; the sources do not give one.","how_to_check":"- Check the installed WebLogic version against the affected list: `12.2.1.4.0`, `14.1.1.0.0`, `14.1.2.0.0`, `15.1.1.0.0`\n- Confirm whether the Oracle Critical Patch Update advisory for the product lists this CVE as applicable to your installed patch level: unknown","needs_analyst":true,"not_affected_if":["unaffected-version","no-http-exposure"],"who_is_affected":"Teams running Oracle WebLogic Server in the listed affected versions that accept HTTP traffic from networks an attacker can reach. The sources say the attack is difficult to carry out, so exposure depends on how reachable the HTTP listener is. Teams on other versions or not running WebLogic can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000672,"input_tokens":3518,"output_tokens":640,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-101515':12A,15A '-2026':11A,14A '/av':136C '12.2.1.4.0':80C '14.1.1.0.0':81C '14.1.2.0.0':82C '15.1.1.0.0':84C '3.1':126C,135C '5.9':129C 'access':51B,94C,111C,117C,123C 'affect':78C 'allow':89C 'attack':47B,91C,103C 'base':127C 'central':29B,71C 'complet':116C 'compon':32B,70C 'compromis':98C 'confidenti':130C 'critic':8A,53B,113C 'cve':10A,13A 'cvss':125C,132C,134C 'data':9A,54B,114C,124C 'difficult':85C 'enterpris':16B 'exploit':87C 'expos':7A 'flaw':6A,26B 'fusion':68C 'give':48B 'h/i':142C 'h/pr':138C 'host':24B 'http':5A,41B,96C 'impact':131C 'jar':31B,73C 'java':17B 'log':43B 'middlewar':69C 'n':144C 'n/a':143C 'n/ac':137C 'n/s':140C 'n/ui':139C 'network':93C 'oracl':1A,19B,34B,62C,67C,99C,120C 'oracle-weblog':18B 'product':65C 'reach':39B,58B 'read':50B 'result':108C 'runtim':21B 'score':128C 'self':23B 'self-host':22B 'server':3A,36B,56B,64C,101C,122C 'success':46B,102C 'support':74C 'thirdparti':30B,72C 'u/c':141C 'unauthent':4A,90C 'unauthor':49B,110C 'vector':133C 'version':75C 'via':95C 'vulner':59C,88C,106C 'weblog':2A,20B,35B,63C,100C,121C 'without':42B","nicknames":[],"mitigations":[],"who_affected":"Teams running Oracle WebLogic Server in the listed affected versions that accept HTTP traffic from networks an attacker can reach. The sources say the attack is difficult to carry out, so exposure depends on how reachable the HTTP listener is. Teams on other versions or not running WebLogic can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:00+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-101515","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101515","severity":null,"published_at":"2026-10-20T22:18:00+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"}