{"id":"CVE-2026-87371","kind":"vulnerability","aliases":["CVE-2026-87371"],"related":[],"title":"Oracle WebCenter Content: adjacent-network attacker can read and change stored data","description":"Vulnerability in the Oracle WebCenter Content product of Oracle Fusion Middleware (component: Content Server).  Supported versions that are affected are 12.2.1.4.0 and  14.1.2.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Oracle WebCenter Content executes to compromise Oracle WebCenter Content.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle WebCenter Content accessible data as well as  unauthorized access to critical data or complete access to all Oracle WebCenter Content accessible data. CVSS 3.1 Base Score 6.8 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).","summary":"Oracle WebCenter Content Server versions 12.2.1.4.0 and 14.1.2.0.0 contain a flaw that lets an unauthenticated attacker on the physical network segment of the host compromise the product. A successful attack can create, change, delete or read content the server holds.","severity":"medium","cvss":6.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["fusion-middleware","on-prem","oracle","vendor","webcenter-content"],"not_affected_if":["internet-only-exposure","other-versions"],"how_to_check":"- Check the installed Oracle WebCenter Content version against `12.2.1.4.0` and `14.1.2.0.0`\n- unknown for other checks, the sources do not say","fix":"- Apply the Oracle Critical Patch Update that addresses CVE-2026-87371 for WebCenter Content, or move to a fixed release; the sources do not name the fixed version","status":"open","published_at":"2026-10-20T22:20:15+00:00","first_seen_at":"2026-10-23T21:57:25+00:00","triaged_at":"2026-10-25T03:43:10+00:00","updated_at":"2026-10-25T03:43:10+00:00","category":"vendor","confidence":0.7,"triage":{"at":"2026-10-25T03:43:10Z","model":"claude-haiku-5-5","output":{"fix":"- Apply the Oracle Critical Patch Update that addresses CVE-2026-87371 for WebCenter Content, or move to a fixed release; the sources do not name the fixed version","reach":"network","title":"Oracle WebCenter Content: adjacent-network attacker can read and change stored data","impact":"high","summary":"Oracle WebCenter Content Server versions 12.2.1.4.0 and 14.1.2.0.0 contain a flaw that lets an unauthenticated attacker on the physical network segment of the host compromise the product. A successful attack can create, change, delete or read content the server holds.","category":"vendor","nicknames":[],"who_cares":["oracle","webcenter-content","fusion-middleware","on-prem"],"confidence":0.7,"needs_auth":"no","worst_case":"Attacker reads, changes or deletes stored content on the server","analyst_note":"Confirm the Oracle CPU advisory and fixed release for WebCenter Content 12.2.1.4.0 and 14.1.2.0.0 at the NVD link or Oracle security alerts page.","how_to_check":"- Check the installed Oracle WebCenter Content version against `12.2.1.4.0` and `14.1.2.0.0`\n- unknown for other checks, the sources do not say","needs_analyst":true,"not_affected_if":["other-versions","internet-only-exposure"],"who_is_affected":"Teams running Oracle WebCenter Content Server 12.2.1.4.0 or 14.1.2.0.0 are exposed, and the attacker must be on the same physical or adjacent network segment as the host. Internet-only deployments behind segmentation face a much smaller risk. The sources do not describe further preconditions.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000669,"input_tokens":3547,"output_tokens":628,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':15A,18A '-87371':16A,19A '/av':178C '12.2.1.4.0':36B,91C '14.1.2.0.0':38B,93C '3.1':166C,177C '6.8':169C 'a/ac':179C 'access':102C,136C,145C,151C,157C,163C 'adjac':5A 'adjacent-network':4A 'affect':89C 'allow':98C 'attach':108C 'attack':7A,46B,60B,100C,124C 'base':167C 'chang':11A,63B 'communic':106C 'complet':156C 'compon':82C 'compromis':55B,119C 'confidenti':170C 'contain':39B 'content':3A,30B,33B,67B,76C,83C,116C,122C,144C,162C 'creat':62B 'creation':132C 'critic':138C,153C 'cve':14A,17A 'cvss':165C,174C,176C 'data':13A,139C,146C,154C,164C 'delet':64B,133C 'difficult':94C 'execut':117C 'exploit':96C 'flaw':41B 'fusion':21B,80C 'fusion-middlewar':20B 'h/a':185C 'h/i':184C 'h/pr':180C 'hardwar':111C 'hold':70B 'host':54B 'impact':173C 'integr':172C 'let':43B 'middlewar':22B,81C 'modif':135C 'n':186C 'n/s':182C 'n/ui':181C 'network':6A,50B 'on-prem':23B 'oracl':1A,26B,31B,74C,79C,114C,120C,142C,160C 'physic':49B,105C 'prem':25B 'product':57B,77C 'read':9A,66B 'result':129C 'score':168C 'segment':51B,107C 'server':34B,69B,84C 'store':12A 'success':59B,123C 'support':85C 'u/c':183C 'unauthent':45B,99C 'unauthor':131C,150C 'vector':175C 'vendor':27B 'version':35B,86C 'vulner':71C,97C,127C 'webcent':2A,29B,32B,75C,115C,121C,143C,161C 'webcenter-cont':28B 'well':148C","nicknames":[],"mitigations":[],"who_affected":"Teams running Oracle WebCenter Content Server 12.2.1.4.0 or 14.1.2.0.0 are exposed, and the attacker must be on the same physical or adjacent network segment as the host. Internet-only deployments behind segmentation face a much smaller risk. The sources do not describe further preconditions.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:20:15+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-87371","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-87371","severity":null,"published_at":"2026-10-20T22:20:15+00:00","modified_at":"2026-10-21T18:44:40+00:00","first_seen_at":"2026-10-23T21:57:25+00:00","fetched_at":"2026-10-23T22:29:00+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"}