{"id":"CVE-2026-101765","kind":"vulnerability","aliases":["CVE-2026-101765"],"related":[],"title":"Oracle Billing and Revenue Management: unauthenticated HTTP flaw exposes all billing data","description":"Vulnerability in the Oracle Communications Billing and Revenue Management product of Oracle Communications (component: BRM Server).  Supported versions that are affected are 15.0.0.0.0, 15.0.1.0.0, 15.1.0.0.0 and  15.2.0.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Communications Billing and Revenue Management.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle Communications Billing and Revenue Management accessible data as well as  unauthorized access to critical data or complete access to all Oracle Communications Billing and Revenue Management accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).","summary":"Oracle Communications BRM Server 15.0.0.0.0 to 15.2.0.0.0 has a CVSS 9.1 flaw (CVE-2026-101765). An unauthenticated attacker with network access over HTTP can read all BRM-accessible data and create, change or delete critical data. Oracle fixed it in the October 2026 Critical Patch Update. No exploitation or public PoC is known.","severity":"critical","cvss":9.1,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Oracle Communications Billing and Revenue Management","fixed":[],"affected":"15.0.0.0.0, 15.0.1.0.0, 15.1.0.0.0, 15.2.0.0.0","ecosystem":"vendor"}],"ecosystems":[],"tags":["billing-systems","brm","oracle","self-hosted","telecom","vendor"],"not_affected_if":["managed-hosting","other-brm-versions"],"how_to_check":"Check your BRM Server release. 15.0.0.0.0, 15.0.1.0.0, 15.1.0.0.0 and 15.2.0.0.0 are affected. Then check whether the BRM Server HTTP port can be reached from untrusted networks. Other BRM components (Elastic Charging Engine) are listed in the CPU as separate entries.","fix":"Apply the Oracle October 2026 CPU patch for Oracle Communications Billing and Revenue Management from My Oracle Support, using the patch availability document linked from the CPU page. The patch ID and fixed release are not public; I could not confirm them. Until then, limit access to the BRM Server HTTP port to trusted internal networks with firewall rules or ACLs.","status":"open","published_at":"2026-10-20T22:18:31+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","triaged_at":"2026-10-23T22:38:39+00:00","updated_at":"2026-10-23T23:07:17+00:00","category":"vendor","confidence":0.8,"triage":{"at":"2026-10-23T22:38:39Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Oracle Critical Patch Update fix for BRM Server; the sources do not name the patched version. Restrict HTTP access to BRM to trusted networks until patched.","reach":"internet","title":"Oracle Billing and Revenue Management: unauthenticated HTTP flaw exposes all billing data","impact":"high","summary":"Oracle Communications Billing and Revenue Management (BRM) Server versions 15.0 through 15.2 contain a flaw that lets an unauthenticated attacker reach the product over HTTP. A successful attack can create, change or delete critical data and read all data the product holds.","category":"vendor","who_cares":["oracle","brm","billing-systems","telecom"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker modifies or deletes billing data and reads all BRM-accessible data.","analyst_note":"Find the Oracle Critical Patch Update advisory for CVE-2026-101765 (Oracle security alerts page) to get the patched BRM Server version and any HTTP endpoint details.","how_to_check":"Confirm the BRM Server version in use: 15.0.0.0.0, 15.0.1.0.0, 15.1.0.0.0 or 15.2.0.0.0 are affected. Check whether the BRM Server HTTP interface is reachable from untrusted networks.","needs_analyst":true,"not_affected_if":["other-brm-versions"],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000583,"input_tokens":3171,"output_tokens":532,"severity_before":"critical"},"analyst_status":"done","analyst_note":"Find Oracle's Critical Patch Update advisory for this CVE and the patched BRM version; the sources give no fix or check steps.","search":"'-101765':15A,18A,49B '-2026':14A,17A,48B '/av':196C '15.0.0.0.0':39B,111C '15.0.1.0.0':112C '15.1.0.0.0':113C '15.2.0.0.0':41B,115C '2026':78B '3.1':184C,195C '9.1':45B,187C 'access':55B,63B,124C,148C,160C,166C,172C,181C 'affect':109C 'allow':119C 'and':22A 'attack':52B,121C,136C 'base':185C 'bill':2A,11A,26B,94C,131C,156C,177C 'billing':21A 'billing-system':25B 'brm':28B,37B,62B,103C 'brm-access':61B 'chang':67B 'communic':36B,93C,101C,130C,155C,176C 'communications':20A 'complet':171C 'compon':102C 'compromis':128C 'confidenti':188C 'creat':66B 'creation':144C 'critic':70B,79B,150C,168C 'cve':13A,16A,47B 'cvss':44B,183C,192C,194C 'data':12A,64B,71B,151C,161C,169C,182C 'delet':69B,145C 'easili':116C 'exploit':83B,117C 'expos':9A 'fix':73B 'flaw':8A,46B 'h/a':203C 'h/i':202C 'host':32B 'http':7A,57B,126C 'impact':191C 'integr':190C 'known':88B 'l/pr':198C 'manag':5A,97C,134C,159C,180C 'management':24A 'modif':147C 'n':204C 'n/ac':197C 'n/s':200C 'n/ui':199C 'network':54B,123C 'octob':77B 'oracl':1A,29B,35B,72B,92C,100C,129C,154C,175C 'oracle':19A 'patch':80B 'poc':86B 'product':98C 'public':85B 'read':59B 'result':141C 'revenu':4A,96C,133C,158C,179C 'revenue':23A 'score':186C 'self':31B 'self-host':30B 'server':38B,104C 'success':135C 'support':105C 'system':27B 'telecom':33B 'u/c':201C 'unauthent':6A,51B,120C 'unauthor':143C,165C 'updat':81B 'vector':193C 'vendor':34B 'version':106C 'via':125C 'vulner':89C,118C,139C 'well':163C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:31+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/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-2026-101765","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101765","severity":null,"published_at":"2026-10-20T22:18:31+00:00","modified_at":"2026-10-21T18:44:55+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","fetched_at":"2026-10-23T22:28:59+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-101765:370","url":null,"severity":null,"published_at":"2026-10-23T23:07:17+00:00","modified_at":"2026-10-23T23:07:17+00:00","first_seen_at":"2026-10-23T23:07:17+00:00","fetched_at":"2026-10-23T23:07:17+00:00","note":"Oracle Oct 2026 CPU (cpuoct2026) lists BRM 15.0.0.0.0, 15.0.1.0.0, 15.1.0.0.0, 15.2.0.0.0 as affected. CVE.org gives CVSS 9.1, AV:N/PR:N, HTTP. The patch is only in the MOS patch availability doc, so no fixed version number is public and I have not read it. No exploitation or PoC found; I did not search social posts. Sibling BRM CVEs: CVE-2026-101758 (8.2), CVE-2026-101606, CVE-2026-83406."}],"documents":[{"id":1637,"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","title":"Oracle Critical Patch Update Advisory - October 2026","kind":"advisory","source":"analyst","text":"Lists Oracle E-Business Suite, versions 12.2.3-12.2.15 as affected; patches via Patch Availability Document (MOS). Released 2026-10-20.","published_at":null,"relation":"advisory","confidence":null,"note":null},{"id":1792,"url":"https://www.cve.org/CVERecord?id=CVE-2026-101765","title":"CVE Record: CVE-2026-101765","kind":"advisory","source":"analyst","text":null,"published_at":null,"relation":"describes","confidence":null,"note":null},{"id":1791,"url":"https://cve.armis.com/CVE-2026-101765","title":"CVE-2026-101765 Armis","kind":"other","source":"analyst","text":null,"published_at":null,"relation":"mitigation","confidence":null,"note":null}],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}