{"id":"CVE-2026-101736","kind":"vulnerability","aliases":["CVE-2026-101736"],"related":[],"title":"Oracle Primavera Unifier: unauthenticated network flaw exposes and alters project data","description":"Vulnerability in the Primavera Unifier product of Oracle Construction and Engineering (component: Core).  Supported versions that are affected are 21.12.0-21.12.17. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Primavera Unifier.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Primavera Unifier accessible data as well as  unauthorized access to critical data or complete access to all Primavera Unifier accessible data. CVSS 3.1 Base Score 7.4 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).","summary":"Oracle Primavera Unifier Core component versions 21.12.0 through 21.12.17 contain a flaw that an unauthenticated attacker can reach over HTTP, with high difficulty to exploit. Successful exploitation can allow unauthorized reading, creation, modification or deletion of critical data held in Unifier.","severity":"high","cvss":7.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["construction-management","oracle","package","primavera-unifier","self-hosted"],"not_affected_if":["unknown"],"how_to_check":"- Check the installed Primavera Unifier version against the affected range `21.12.0` to `21.12.17`\n- unknown for other checks, the sources do not say","fix":"- Move Primavera Unifier to a release newer than `21.12.17` as listed in Oracle's Critical Patch Update\n- unknown for other actions, the sources do not say","status":"open","published_at":"2026-10-20T22:18:28+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","triaged_at":"2026-10-25T03:26:58+00:00","updated_at":"2026-10-25T03:26:58+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-25T03:26:58Z","model":"claude-haiku-5-5","output":{"fix":"- Move Primavera Unifier to a release newer than `21.12.17` as listed in Oracle's Critical Patch Update\n- unknown for other actions, the sources do not say","reach":"network","title":"Oracle Primavera Unifier: unauthenticated network flaw exposes and alters project data","impact":"high","summary":"Oracle Primavera Unifier Core component versions 21.12.0 through 21.12.17 contain a flaw that an unauthenticated attacker can reach over HTTP, with high difficulty to exploit. Successful exploitation can allow unauthorized reading, creation, modification or deletion of critical data held in Unifier.","category":"package","nicknames":[],"who_cares":["primavera-unifier","oracle","construction-management","self-hosted"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker reads, alters or deletes critical Unifier project data","analyst_note":"Confirm the patched version and Oracle advisory details for the 21.12 line at the Oracle Critical Patch Update page, since the sources give only the NVD entry.","how_to_check":"- Check the installed Primavera Unifier version against the affected range `21.12.0` to `21.12.17`\n- unknown for other checks, the sources do not say","needs_analyst":true,"not_affected_if":["unknown"],"who_is_affected":"Organizations running Oracle Primavera Unifier 21.12.0 through 21.12.17 with the Core component reachable over HTTP from a network. The sources do not say which deployment modes or configurations are exposed, so whether a given instance is reachable is unknown.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000645,"input_tokens":3493,"output_tokens":591,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-101736':14A,17A '-2026':13A,16A '/av':160C '21.12.0':35B,89C '21.12.17':37B,90C '3.1':148C,159C '7.4':151C 'access':100C,120C,128C,134C,140C,145C 'affect':87C 'allow':57B,95C 'alter':9A 'attack':44B,97C,108C 'base':149C 'complet':139C 'compon':33B,81C 'compromis':104C 'confidenti':152C 'construct':19B,78C 'construction-manag':18B 'contain':38B 'core':32B,82C 'creation':60B,116C 'critic':65B,122C,136C 'cve':12A,15A 'cvss':147C,156C,158C 'data':11A,66B,123C,129C,137C,146C 'delet':63B,117C 'difficult':91C 'difficulti':51B 'engin':80C 'exploit':53B,55B,93C 'expos':7A 'flaw':6A,40B 'h/a':167C 'h/i':166C 'h/pr':162C 'held':67B 'high':50B 'host':28B 'http':48B,102C 'impact':155C 'integr':154C 'manag':20B 'modif':61B,119C 'n':168C 'n/ac':161C 'n/s':164C 'n/ui':163C 'network':5A,99C 'oracl':1A,21B,29B,77C 'packag':22B 'primavera':2A,24B,30B,73C,105C,126C,143C 'primavera-unifi':23B 'product':75C 'project':10A 'reach':46B 'read':59B 'result':113C 'score':150C 'self':27B 'self-host':26B 'success':54B,107C 'support':83C 'u/c':165C 'unauthent':4A,43B,96C 'unauthor':58B,115C,133C 'unifi':3A,25B,31B,69B,74C,106C,127C,144C 'vector':157C 'version':34B,84C 'via':101C 'vulner':70C,94C,111C 'well':131C","nicknames":[],"mitigations":[],"who_affected":"Organizations running Oracle Primavera Unifier 21.12.0 through 21.12.17 with the Core component reachable over HTTP from a network. The sources do not say which deployment modes or configurations are exposed, so whether a given instance is reachable is unknown.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:28+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:H/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-2026-101736","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101736","severity":null,"published_at":"2026-10-20T22:18:28+00:00","modified_at":"2026-10-22T16:17:14+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","fetched_at":"2026-10-23T22:28:59+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"}