{"id":"CVE-2026-101635","kind":"vulnerability","aliases":["CVE-2026-101635"],"related":[],"title":"Oracle E-Business Suite Mobile Field Service: network flaw allows full takeover","description":"Vulnerability in the Oracle Mobile Field Service product of Oracle E-Business Suite (component: Internal Operations).  Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Mobile Field Service.  Successful attacks of this vulnerability can result in takeover of Oracle Mobile Field Service. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).","summary":"Oracle Mobile Field Service in E-Business Suite versions 12.2.3 through 12.2.15 has a flaw in its Internal Operations component. A low-privileged user with network access over HTTP can take over the product, with high confidentiality, integrity and availability impact.","severity":"high","cvss":8.8,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Oracle Mobile Field Service (E-Business Suite)","fixed":[],"affected":">= 12.2.3, <= 12.2.15","ecosystem":"vendor"}],"ecosystems":[],"tags":["mobile-field-service","oracle-ebusiness-suite","self-hosted","vendor"],"not_affected_if":["mobile-field-service-not-installed","versions-outside-12.2.3-12.2.15"],"how_to_check":"Confirm your EBS release is 12.2.3-12.2.15 and Oracle Mobile Field Service is installed/licensed (check the product list in Oracle Applications Manager License Manager or AD registered products). Then check whether the October 2026 CPU EBS patches are applied (adop/AD patch history for the patch IDs in the MOS EBS patch availability document). Exact patch number: unknown, requires MOS.","fix":"Apply the Oracle E-Business Suite patches from the October 2026 Critical Patch Update (patch availability document on My Oracle Support); patch number unknown from public sources. Until patched, restrict HTTP access to EBS from untrusted networks.","status":"open","published_at":"2026-10-20T22:18:17+00:00","first_seen_at":"2026-10-23T21:57:22+00:00","triaged_at":"2026-10-23T22:32:38+00:00","updated_at":"2026-10-24T00:08:23+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-23T22:32:38Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Oracle E-Business Suite Mobile Field Service: network flaw allows full takeover","impact":"high","summary":"Oracle Mobile Field Service in E-Business Suite versions 12.2.3 through 12.2.15 has a flaw in its Internal Operations component. A low-privileged user with network access over HTTP can take over the product, with high confidentiality, integrity and availability impact.","category":"vendor","who_cares":["oracle-ebusiness-suite","mobile-field-service"],"confidence":0.7,"needs_auth":"yes","worst_case":"attacker takes over the Mobile Field Service application, reading and changing its data","analyst_note":"Find Oracle's Critical Patch Update advisory for the patch level that fixes 12.2.3-12.2.15, and confirm the exact setting or module that exposes the HTTP path.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["versions-outside-12.2.3-12.2.15"],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000503,"input_tokens":3056,"output_tokens":394,"severity_before":"high"},"analyst_status":"done","analyst_note":"Find Oracle's Critical Patch Update advisory for the patch level that fixes 12.2.3-12.2.15, and confirm the exact setting or module that exposes the HTTP path.","search":"'-101635':16A,19A '-2026':15A,18A '/av':154C '12.2.15':52B,107C '12.2.3':50B,106C '3.1':141C,153C '8.8':144C 'access':68B,117C 'affect':104C 'allow':11A,111C 'attack':114C,127C 'avail':81B,148C 'base':142C 'busi':4A,47B,95C 'business':26A 'compon':60B,97C 'compromis':121C 'confidenti':78B,145C 'cve':14A,17A 'cvss':140C,150C,152C 'e':3A,25A,46B,94C 'e-busi':2A,45B,93C 'e-business':24A 'easili':108C 'ebusi':34B 'exploit':109C 'field':7A,22A,30B,42B,88C,124C,138C 'flaw':10A,55B 'full':12A 'h':162C 'h/a':161C 'h/i':160C 'high':77B 'host':38B 'http':70B,119C 'impact':82B,149C 'integr':79B,146C 'intern':58B,98C 'l/pr':156C 'l/ui':157C 'low':63B,112C 'low-privileg':62B 'mobil':6A,29B,41B,87C,123C,137C 'mobile':21A 'mobile-field-servic':28B 'n/ac':155C 'n/s':158C 'network':9A,67B,116C 'oper':59B,99C 'oracl':1A,33B,40B,86C,92C,122C,136C 'oracle':20A 'oracle-ebusiness-suit':32B 'privileg':64B,113C 'product':75B,90C 'result':132C 'score':143C 'self':37B 'self-host':36B 'servic':8A,31B,43B,89C,125C,139C 'service':23A 'success':126C 'suit':5A,35B,48B,96C 'suite':27A 'support':100C 'take':72B 'takeov':13A,134C 'u/c':159C 'user':65B 'vector':151C 'vendor':39B 'version':49B,101C 'via':118C 'vulner':83C,110C,130C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:17+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-101635","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101635","severity":null,"published_at":"2026-10-20T22:18:17+00:00","modified_at":"2026-10-21T19:16:52+00:00","first_seen_at":"2026-10-23T21:57:22+00:00","fetched_at":"2026-10-23T22:28:59+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-101635:594","url":null,"severity":null,"published_at":"2026-10-24T00:08:23+00:00","modified_at":"2026-10-24T00:08:23+00:00","first_seen_at":"2026-10-24T00:08:23+00:00","fetched_at":"2026-10-24T00:08:23+00:00","note":"Oracle Oct 2026 CPU (cpuoct2026) lists EBS 12.2.3-12.2.15; the public page and risk-matrix text give no patch number or enabling setting; patch ID is in the EBS patch availability document on My Oracle Support (login needed). No exploitation or PoC found; X not searched."}],"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":2370,"url":"https://www.cve.org/CVERecord?id=CVE-2026-101635","title":"CVE Record: CVE-2026-101635","kind":"other","source":"analyst","text":null,"published_at":null,"relation":"describes","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"}