{"id":"CVE-2026-91628","kind":"vulnerability","aliases":["CVE-2026-91628"],"related":[],"title":"Oracle BRM Server: low-privilege local user can read critical 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 low privileged attacker with logon to the infrastructure where Oracle Communications Billing and Revenue Management executes to compromise Oracle Communications Billing and Revenue Management.  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all Oracle Communications Billing and Revenue Management accessible data. CVSS 3.1 Base Score 5.5 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).","summary":"Oracle Communications Billing and Revenue Management (BRM) Server versions 15.0.0.0.0 through 15.2.0.0.0 contain a flaw that lets a low-privileged user with logon to the host reach data they should not see. A successful attack gives unauthorized access to critical data held by the BRM system.","severity":"medium","cvss":5.5,"epss":0.00151,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["billing","brm","on-prem","oracle-communications","vendor"],"not_affected_if":["only-admin-logon","other-versions"],"how_to_check":"- Confirm the installed BRM Server version against `15.0.0.0.0`, `15.0.1.0.0`, `15.1.0.0.0` and `15.2.0.0.0`\n- Check whether any local accounts beyond administrators can log on to the BRM host","fix":"- Apply the Oracle Critical Patch Update fix for Oracle Communications Billing and Revenue Management (BRM Server) for your version line; the exact patch is unknown from the sources\n- Restrict local logon to the BRM host to administrators only until patched","status":"open","published_at":"2026-10-20T22:21:02+00:00","first_seen_at":"2026-10-23T21:57:27+00:00","triaged_at":"2026-10-25T04:11:59+00:00","updated_at":"2026-10-25T04:11:59+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-25T04:11:59Z","model":"claude-haiku-5-5","output":{"fix":"- Apply the Oracle Critical Patch Update fix for Oracle Communications Billing and Revenue Management (BRM Server) for your version line; the exact patch is unknown from the sources\n- Restrict local logon to the BRM host to administrators only until patched","reach":"local","title":"Oracle BRM Server: low-privilege local user can read critical billing data","impact":"medium","summary":"Oracle Communications Billing and Revenue Management (BRM) Server versions 15.0.0.0.0 through 15.2.0.0.0 contain a flaw that lets a low-privileged user with logon to the host reach data they should not see. A successful attack gives unauthorized access to critical data held by the BRM system.","category":"vendor","nicknames":[],"who_cares":["oracle-communications","billing","brm","on-prem"],"confidence":0.6,"needs_auth":"yes","worst_case":"Low-privileged local user reads critical billing data","analyst_note":"","how_to_check":"- Confirm the installed BRM Server version against `15.0.0.0.0`, `15.0.1.0.0`, `15.1.0.0.0` and `15.2.0.0.0`\n- Check whether any local accounts beyond administrators can log on to the BRM host","needs_analyst":false,"not_affected_if":["only-admin-logon","other-versions"],"who_is_affected":"Teams running Oracle Communications Billing and Revenue Management BRM Server in the affected 15.x versions. Exposure depends on whether untrusted or low-privileged accounts can log on to the infrastructure where BRM runs; systems where only administrators have logon, or that run other versions, are unlikely to be affected.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000663,"input_tokens":3567,"output_tokens":613,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':15A,18A '-91628':16A,19A '/av':168C '15.0.0.0.0':38B,98C '15.0.1.0.0':99C '15.1.0.0.0':100C '15.2.0.0.0':40B,102C '3.1':158C,167C '5.5':161C 'access':67B,140C,146C,155C 'affect':96C 'allow':106C 'attack':64B,109C,132C 'base':159C 'bill':12A,20B,31B,81C,118C,127C,151C 'brm':2A,21B,35B,74B,90C 'communic':27B,30B,80C,88C,117C,126C,150C 'complet':145C 'compon':89C 'compromis':124C 'confidenti':162C 'contain':41B 'critic':11A,69B,142C 'cve':14A,17A 'cvss':157C,164C,166C 'data':13A,57B,70B,143C,156C 'easili':103C 'execut':122C 'exploit':104C 'flaw':43B 'give':65B 'h/i':174C 'held':71B 'host':55B 'impact':163C 'infrastructur':114C 'l/ac':169C 'l/pr':170C 'l/ui':171C 'let':45B 'local':7A 'logon':52B,111C 'low':5A,48B,107C 'low-privileg':4A,47B 'manag':34B,84C,121C,130C,154C 'n':176C 'n/a':175C 'n/s':172C 'on-prem':22B 'oracl':1A,26B,29B,79C,87C,116C,125C,149C 'oracle-commun':25B 'prem':24B 'privileg':6A,49B,108C 'product':85C 'reach':56B 'read':10A 'result':137C 'revenu':33B,83C,120C,129C,153C 'score':160C 'see':61B 'server':3A,36B,91C 'success':63B,131C 'support':92C 'system':75B 'u/c':173C 'unauthor':66B,139C 'user':8A,50B 'vector':165C 'vendor':28B 'version':37B,93C 'vulner':76C,105C,135C","nicknames":[],"mitigations":[],"who_affected":"Teams running Oracle Communications Billing and Revenue Management BRM Server in the affected 15.x versions. Exposure depends on whether untrusted or low-privileged accounts can log on to the infrastructure where BRM runs; systems where only administrators have logon, or that run other versions, are unlikely to be affected.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:21:02+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:L/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-2026-91628","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91628","severity":null,"published_at":"2026-10-20T22:21:02+00:00","modified_at":"2026-10-21T18:44:55+00:00","first_seen_at":"2026-10-23T21:57:27+00:00","fetched_at":"2026-10-23T22:29:01+00:00","note":null},{"source":"epss","external_id":"CVE-2026-91628","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-91628","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-24T13:15:55+00:00","fetched_at":"2026-10-24T13:15:55+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"}