{"id":"CVE-2026-113384","kind":"vulnerability","aliases":["CVE-2026-113384"],"related":[],"title":"Optimal IdM OptimalCloud: manipulated state argument enables open redirect","description":"A flaw has been found in Optimal IdM OptimalCloud 5.0. This vulnerability affects unknown code of the file /v5.0/social. Executing a manipulation of the argument state can lead to open redirect. The attack can be executed remotely. The vendor was contacted early about this disclosure but did not respond in any way.","summary":"Optimal IdM OptimalCloud 5.0 has a flaw in the /v5.0/social endpoint where a manipulated state argument can cause an open redirect. A remote attacker can use it to send users to a site of their choosing, for example in a phishing link.","severity":"medium","cvss":5.0,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["identity","optimalcloud","self-hosted","vendor"],"not_affected_if":["unknown"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-10-20T11:17:20+00:00","first_seen_at":"2026-10-23T21:57:20+00:00","triaged_at":"2026-10-25T04:30:46+00:00","updated_at":"2026-10-25T04:30:46+00:00","category":"vendor","confidence":0.5,"triage":{"at":"2026-10-25T04:30:46Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"internet","title":"Optimal IdM OptimalCloud: manipulated state argument enables open redirect","impact":"low","summary":"Optimal IdM OptimalCloud 5.0 has a flaw in the /v5.0/social endpoint where a manipulated state argument can cause an open redirect. A remote attacker can use it to send users to a site of their choosing, for example in a phishing link.","category":"vendor","nicknames":[],"who_cares":["optimalcloud","identity","self-hosted"],"confidence":0.5,"needs_auth":"unknown","worst_case":"Users redirected to attacker-chosen sites for phishing","analyst_note":"Check the NVD entry and the vendor for an affected version range, a patch, and whether the /v5.0/social endpoint is reachable from the internet.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["unknown"],"who_is_affected":"Teams running Optimal IdM OptimalCloud 5.0 with the /v5.0/social endpoint exposed. The sources do not say which deployments expose that endpoint or whether a fixed version exists. The vendor did not respond to early disclosure.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000557,"input_tokens":3313,"output_tokens":451,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-113384':12A,15A '-2026':11A,14A '/v5.0/social':31B,82C '5.0':25B,73C 'affect':76C 'argument':6A,37B,88C 'attack':45B,96C 'caus':39B 'choos':57B 'code':78C 'contact':104C 'cve':10A,13A 'disclosur':108C 'earli':105C 'enabl':7A 'endpoint':32B 'exampl':59B 'execut':83C,99C 'file':81C 'flaw':28B,65C 'found':68C 'host':20B 'ident':16B 'idm':2A,23B,71C 'lead':91C 'link':63B 'manipul':4A,35B,85C 'open':8A,41B,93C 'optim':1A,22B,70C 'optimalcloud':3A,17B,24B,72C 'phish':62B 'redirect':9A,42B,94C 'remot':44B,100C 'respond':112C 'self':19B 'self-host':18B 'send':50B 'site':54B 'state':5A,36B,89C 'unknown':77C 'use':47B 'user':51B 'vendor':21B,102C 'vulner':75C 'way':115C","nicknames":[],"mitigations":[],"who_affected":"Teams running Optimal IdM OptimalCloud 5.0 with the /v5.0/social endpoint exposed. The sources do not say which deployments expose that endpoint or whether a fixed version exists. The vendor did not respond to early disclosure.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T11:17:20+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/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":"cna@vuldb.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113384","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113384","severity":null,"published_at":"2026-10-20T11:17:20+00:00","modified_at":"2026-10-22T22:18:03+00:00","first_seen_at":"2026-10-23T21:57:20+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"}