{"id":"CVE-2026-19134","kind":"vulnerability","aliases":["CVE-2026-19134"],"related":[],"title":"OpenText Directory Services (OTDS) 22.1 to 26.2: observable discrepancy flaw (black box reverse engineering)","description":"A vulnerability in OpenText OpenText Directory Services (OTDS) allows Black Box Reverse Engineering.\n\nThis issue affects OpenText Directory Services (OTDS): from 22.1 to 26.2","summary":"OpenText lists CVE-2026-19134 in Directory Services (OTDS) 22.1 to 26.2 as 'black box reverse engineering', weakness CWE-203 (observable discrepancy). CVSS 4.0 is 7.1: network, low complexity, low privileges, high confidentiality impact. OpenText's full advisory is behind a support login, so the exact leak is not public. No exploitation or PoC is known.","severity":"high","cvss":7.1,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"OpenText Directory Services (OTDS)","fixed":["22.4.21","23.1.10","23.2.8","23.3.11","23.4.20","24.2.8","24.3.7","24.4.22","25.1.12","25.2.11","25.3.13","25.4.11","26.1.8","26.2.5"],"affected":">= 22.1, <= 26.2 (before the patched build of each branch)","ecosystem":"vendor"}],"ecosystems":[],"tags":["enterprise","identity-management","opentext","otds","self-hosted","vendor"],"not_affected_if":["patched-build","versions-outside-22.1-to-26.2"],"how_to_check":"Find your OTDS version (admin console or installer record). Affected: 22.1 through 26.2 unless you are on a patched build for your branch: 22.4.21, 23.1.10, 23.2.8, 23.3.11, 23.4.20, 24.2.8, 24.3.7, 24.4.22, 25.1.12, 25.2.11, 25.3.13, 25.4.11, 26.1.8, 26.2.5 or later (from CNA data via OpenCVE; confirm in OpenText KB0876890 with a support login).","fix":"Upgrade OTDS to the patched build for your branch: 22.4.21, 23.1.10, 23.2.8, 23.3.11, 23.4.20, 24.2.8, 24.3.7, 24.4.22, 25.1.12, 25.2.11, 25.3.13, 25.4.11, 26.1.8 or 26.2.5 (secondhand, not read on OpenText's page).","status":"open","published_at":"2026-11-05T20:17:54+00:00","first_seen_at":"2026-11-05T20:40:46+00:00","triaged_at":"2026-11-05T20:43:13+00:00","updated_at":"2026-11-05T20:44:56+00:00","category":"vendor","confidence":0.55,"triage":{"at":"2026-11-05T20:43:13Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"unknown","title":"OpenText Directory Services: black-box reverse engineering flaw, versions 22.1 to 26.2","impact":"medium","summary":"OpenText Directory Services (OTDS), a identity and access management component used by OpenText products, is affected by a flaw that allows black box reverse engineering. The sources do not say what an attacker gains beyond exposing internal workings of the software.","audience":"businesses","category":"vendor","nicknames":[],"who_cares":["opentext","otds","identity-management","enterprise"],"confidence":0.4,"fix_status":"unknown","needs_auth":"unknown","worst_case":"unknown; sources describe only black box reverse engineering","analyst_note":"Find the OpenText advisory for CVE-2026-19134 to confirm the fixed version, the exact impact and the exposure conditions; NVD text alone is thin.","how_to_check":"- Check whether your OTDS version falls in the range 22.1 to 26.2 (the affected range named in the NVD description)\n- Confirm the installed OTDS version with the product's admin interface or installation files: unknown for the exact command","plain_action":"","needs_analyst":true,"not_affected_if":["versions-outside-22.1-to-26.2"],"who_is_affected":"Organizations running OpenText Directory Services versions from 22.1 through 26.2. The sources do not describe the exact configuration or exposure needed to exploit the flaw, so whether internet-facing deployments are at greater risk is unknown.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000702,"input_tokens":4200,"output_tokens":563,"severity_before":"high"},"analyst_status":"done","analyst_note":"Find the OpenText advisory for CVE-2026-19134 to confirm the fixed version, the exact impact and the exposure conditions; NVD text alone is thin.","search":"'-19134':17A,20A,39B '-2026':16A,19A,38B '-203':54B '22.1':5A,44B,112C '26.2':7A,46B,114C '4.0':58B '7.1':60B 'advisori':72B 'affect':106C 'allow':99C 'behind':74B 'black':11A,48B,100C 'box':12A,49B,101C 'complex':63B 'confidenti':67B 'cve':15A,18A,37B 'cvss':57B 'cwe':53B 'directori':2A,41B,96C,108C 'directory':22A 'discrep':9A,56B 'engin':14A,51B,103C 'enterpris':25B 'exact':80B 'exploit':86B 'flaw':10A 'full':71B 'high':66B 'host':33B 'ident':27B 'identity-manag':26B 'impact':68B 'issu':105C 'known':90B 'leak':81B 'list':36B 'login':77B 'low':62B,64B 'manag':28B 'network':61B 'observ':8A,55B 'opentext':1A,21A,29B,35B,69B,94C,95C,107C 'otd':4A,30B,43B,98C,110C 'otds':24A 'poc':88B 'privileg':65B 'public':84B 'revers':13A,50B,102C 'self':32B 'self-host':31B 'servic':3A,42B,97C,109C 'services':23A 'support':76B 'vendor':34B 'vulner':92C 'weak':52B","nicknames":[],"mitigations":[],"who_affected":"Organizations running OpenText Directory Services versions from 22.1 through 26.2. The sources do not describe the exact configuration or exposure needed to exploit the flaw, so whether internet-facing deployments are at greater risk is unknown.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":["directoryservicesotds","opentextdirectoryservicesotds"],"ptokens":["directory","opentext","otds","services"],"labels":["enterprise","high","identitymanagement","opentext","otds","selfhosted","vendor"],"campaign_type":null,"first_public_at":"2026-11-05T20:17:54+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","cvss_by":"security@opentext.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-19134","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19134","severity":null,"published_at":"2026-11-05T20:17:54+00:00","modified_at":"2026-11-05T20:17:54+00:00","first_seen_at":"2026-11-05T20:40:46+00:00","fetched_at":"2026-11-05T20:40:46+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-19134:1828","url":"https://app.opencve.io/cve/CVE-2026-19134","severity":null,"published_at":"2026-11-05T20:44:56+00:00","modified_at":"2026-11-05T20:44:56+00:00","first_seen_at":"2026-11-05T20:44:56+00:00","fetched_at":"2026-11-05T20:44:56+00:00","note":"Vendor KB cited by CVE (KB0876890) is login-walled and its public header is for a different CVE (CVE-2026-76580, XSS), so no primary text for 19134 read. OpenCVE shows OpenText CNA data: CWE-203 (observable discrepancy), CVSS4 7.1 AV:N/PR:L/VC:H, patched builds per branch. Nothing verified; no exploitation or PoC found.","cites":["https://app.opencve.io/cve/CVE-2026-19134"]}],"documents":[{"id":80067,"url":"https://app.opencve.io/cve/CVE-2026-19134","title":"OpenCVE: CVE-2026-19134 (CNA data from OpenText)","kind":"other","source":"analyst","publisher":null,"text":null,"published_at":null,"relation":"describes","confidence":null,"note":null}],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}