{"id":"CVE-2026-101555","kind":"vulnerability","aliases":["CVE-2026-101555"],"related":[],"title":"Oracle E-Business Suite Payroll: low-privilege HTTP attack can take over","description":"Vulnerability in the Oracle Payroll product of Oracle E-Business Suite (component: Internal Operations).  Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Payroll.  Successful attacks of this vulnerability can result in takeover of Oracle Payroll. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).","summary":"Oracle Payroll, part of Oracle E-Business Suite, has a flaw in its Internal Operations component that lets a low-privileged user reach it over HTTP. A successful attacker can take over the Payroll product, with high impact to confidentiality, integrity and availability.","severity":"high","cvss":7.5,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["oracle-ebs","payroll","self-hosted","vendor"],"not_affected_if":["payroll-not-installed"],"how_to_check":"- Check the installed E-Business Suite release and Payroll version against the affected range `12.2.3` to `12.2.15`, using the Oracle advisory for the patch list.\n- Confirm whether Oracle Payroll is deployed and reachable over HTTP from untrusted networks.","fix":"- Apply the Oracle Critical Patch Update fix for Oracle E-Business Suite Payroll, as listed in Oracle's advisory for this CVE (exact patch number unknown from the sources).\n- Restrict access to Payroll endpoints to internal networks until patched.","status":"open","published_at":"2026-10-20T22:18:05+00:00","first_seen_at":"2026-10-23T21:57:22+00:00","triaged_at":"2026-10-25T03:20:21+00:00","updated_at":"2026-10-25T03:20:21+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-25T03:20:21Z","model":"claude-haiku-5-5","output":{"fix":"- Apply the Oracle Critical Patch Update fix for Oracle E-Business Suite Payroll, as listed in Oracle's advisory for this CVE (exact patch number unknown from the sources).\n- Restrict access to Payroll endpoints to internal networks until patched.","reach":"network","title":"Oracle E-Business Suite Payroll: low-privilege HTTP attack can take over","impact":"high","summary":"Oracle Payroll, part of Oracle E-Business Suite, has a flaw in its Internal Operations component that lets a low-privileged user reach it over HTTP. A successful attacker can take over the Payroll product, with high impact to confidentiality, integrity and availability.","category":"vendor","nicknames":[],"who_cares":["oracle-ebs","payroll","self-hosted"],"confidence":0.6,"needs_auth":"yes","worst_case":"Attacker takes over Oracle Payroll, reading and changing payroll data.","analyst_note":"Check Oracle's April/July 2026 Critical Patch Update advisory for the patch name and exact fixed build; the sources only give the NVD entry.","how_to_check":"- Check the installed E-Business Suite release and Payroll version against the affected range `12.2.3` to `12.2.15`, using the Oracle advisory for the patch list.\n- Confirm whether Oracle Payroll is deployed and reachable over HTTP from untrusted networks.","needs_analyst":true,"not_affected_if":["payroll-not-installed"],"who_is_affected":"Organisations running Oracle E-Business Suite release 12.2.3 through 12.2.15 with the Oracle Payroll module deployed. The sources do not say which Payroll configurations are exposed by default, so teams without Payroll installed can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.00067,"input_tokens":3447,"output_tokens":651,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-101555':16A,19A '-2026':15A,18A '/av':139C '12.2.15':95C '12.2.3':94C '3.1':126C,138C '7.5':129C 'access':106C 'affect':92C 'allow':100C 'attack':11A,58B,103C,114C 'avail':72B,133C 'base':127C 'busi':4A,35B,83C 'compon':44B,85C 'compromis':110C 'confidenti':69B,130C 'cve':14A,17A 'cvss':125C,135C,137C 'difficult':96C 'e':3A,34B,82C 'e-busi':2A,33B,81C 'eb':22B 'exploit':98C 'flaw':39B 'h':147C 'h/a':146C 'h/i':145C 'h/pr':141C 'high':66B 'host':26B 'http':10A,55B,108C 'impact':67B,134C 'integr':70B,131C 'intern':42B,86C 'l/ui':142C 'let':46B 'low':8A,49B,101C 'low-privileg':7A,48B 'n/ac':140C 'n/s':143C 'network':105C 'oper':43B,87C 'oracl':1A,21B,28B,32B,76C,80C,111C,123C 'oracle-eb':20B 'part':30B 'payrol':6A,23B,29B,63B,77C,112C,124C 'privileg':9A,50B,102C 'product':64B,78C 'reach':52B 'result':119C 'score':128C 'self':25B 'self-host':24B 'success':57B,113C 'suit':5A,36B,84C 'support':88C 'take':13A,60B 'takeov':121C 'u/c':144C 'user':51B 'vector':136C 'vendor':27B 'version':89C 'via':107C 'vulner':73C,99C,117C","nicknames":[],"mitigations":[],"who_affected":"Organisations running Oracle E-Business Suite release 12.2.3 through 12.2.15 with the Oracle Payroll module deployed. The sources do not say which Payroll configurations are exposed by default, so teams without Payroll installed can skip it.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:05+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:H/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-2026-101555","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101555","severity":null,"published_at":"2026-10-20T22:18:05+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"}