{"id":"CVE-2026-121355","kind":"vulnerability","aliases":["CVE-2026-121355"],"related":[],"title":"Adobe Connect: incorrect authorization lets attackers gain elevated privileges","description":"Adobe Connect is affected by an Incorrect Authorization vulnerability that could result in privilege escalation. An attacker could exploit this vulnerability to gain elevated access to sensitive information or functionality. Exploitation of this issue does not require user interaction.","summary":"Adobe Connect has an incorrect authorization flaw (CWE-863) that lets an unauthenticated remote attacker gain elevated access to sensitive information or functionality, with no user interaction. Adobe fixed it in bulletin APSB26-191 together with many other critical Connect flaws. Adobe says it knows of no exploits in the wild.","severity":"critical","cvss":9.1,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Adobe Connect","fixed":["12.12.a","12.11.i","12.10.f","12.9.a","12.8.a"],"affected":"<= 12.12 (Windows)","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["adobe-connect","other","pre-auth","self-hosted","windows"],"not_affected_if":[],"how_to_check":"Check your Adobe Connect server version (Adobe Connect admin console / About). Per APSB26-191 you are affected if you run 12.12 or earlier and have not installed the matching update: 12.12.a, 12.11.i, 12.10.f, 12.9.a or 12.8.a. Adobe's affected-platform list names Windows.","fix":"Install the APSB26-191 update for your branch: 12.12.a, 12.11.i, 12.10.f, 12.9.a or 12.8.a (Windows).","status":"open","published_at":"2026-11-10T22:18:25+00:00","first_seen_at":"2026-11-10T22:27:26+00:00","triaged_at":"2026-11-10T22:28:50+00:00","updated_at":"2026-11-10T22:33:37+00:00","category":"other","confidence":0.85,"triage":{"at":"2026-11-10T22:28:50Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"unknown","title":"Adobe Connect: incorrect authorization lets attackers gain elevated privileges","impact":"high","summary":"Adobe Connect has an incorrect authorization flaw that lets an attacker gain elevated access to sensitive information or functionality. The sources say no user interaction is needed to exploit it.","audience":"businesses","category":"other","nicknames":[],"who_cares":["adobe-connect"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"attacker gains elevated access to sensitive data and functions","analyst_note":"Find affected Adobe Connect versions and the fixed build in Adobe's security bulletin; the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-121355 lists no product ranges here.","how_to_check":"unknown","plain_action":"","product_name":"Adobe Connect","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"no","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000659,"input_tokens":4538,"output_tokens":410,"severity_before":"critical"},"analyst_status":"done","analyst_note":"Find affected Adobe Connect versions and the fixed build in Adobe's security bulletin; the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-121355 lists no product ranges here.","search":"'-121355':12A,15A '-191':62B '-2026':11A,14A '-863':37B 'access':46B,104C 'adob':1A,19B,29B,56B,70B,80C 'adobe':16A 'adobe-connect':18B 'affect':83C 'apsb26':61B 'attack':6A,43B,96C 'auth':24B 'author':4A,34B,87C 'bulletin':60B 'connect':2A,17A,20B,30B,68B,81C 'could':90C,97C 'critic':67B 'cve':10A,13A 'cwe':36B 'elev':8A,45B,103C 'escal':94C 'exploit':76B,98C,110C 'fix':57B 'flaw':35B,69B 'function':51B,109C 'gain':7A,44B,102C 'host':27B 'incorrect':3A,33B,86C 'inform':49B,107C 'interact':55B,118C 'issu':113C 'know':73B 'let':5A,39B 'mani':65B 'pre':23B 'pre-auth':22B 'privileg':9A,93C 'remot':42B 'requir':116C 'result':91C 'say':71B 'self':26B 'self-host':25B 'sensit':48B,106C 'togeth':63B 'unauthent':41B 'user':54B,117C 'vulner':88C,100C 'wild':79B 'window':28B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{"fix":{"at":"2026-11-10T22:33:37Z","by":"analyst","doc":"https://www.adobe.com/trust/security/products/connect/apsb26-191.html","run_id":2998},"products":{"at":"2026-11-10T22:33:37Z","by":"analyst","doc":"https://www.adobe.com/trust/security/products/connect/apsb26-191.html","run_id":2998},"how_to_check":{"at":"2026-11-10T22:33:37Z","by":"analyst","doc":"https://www.adobe.com/trust/security/products/connect/apsb26-191.html","run_id":2998}},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":["adobeconnect","connect"],"ptokens":["adobe","connect"],"labels":["adobeconnect","critical","other","preauth","selfhosted","vendor","windows"],"campaign_type":null,"search_a":"'-121355':12A,15A '-2026':11A,14A 'adob':1A 'adobe':16A 'attack':6A 'author':4A 'connect':2A,17A 'cve':10A,13A 'elev':8A 'gain':7A 'incorrect':3A 'let':5A 'privileg':9A","search_b":"'-191':62B '-863':37B 'access':46B 'adob':19B,29B,56B,70B 'adobe-connect':18B 'apsb26':61B 'attack':43B 'auth':24B 'author':34B 'bulletin':60B 'connect':20B,30B,68B 'critic':67B 'cwe':36B 'elev':45B 'exploit':76B 'fix':57B 'flaw':35B,69B 'function':51B 'gain':44B 'host':27B 'incorrect':33B 'inform':49B 'interact':55B 'know':73B 'let':39B 'mani':65B 'pre':23B 'pre-auth':22B 'remot':42B 'say':71B 'self':26B 'self-host':25B 'sensit':48B 'togeth':63B 'unauthent':41B 'user':54B 'wild':79B 'window':28B","search_c":"'access':104C 'adob':80C 'affect':83C 'attack':96C 'author':87C 'connect':81C 'could':90C,97C 'elev':103C 'escal':94C 'exploit':98C,110C 'function':109C 'gain':102C 'incorrect':86C 'inform':107C 'interact':118C 'issu':113C 'privileg':93C 'requir':116C 'result':91C 'sensit':106C 'user':117C 'vulner':88C,100C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T22:18:25+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","cvss_by":"psirt@adobe.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121355","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121355","severity":null,"published_at":"2026-11-10T22:18:25+00:00","modified_at":"2026-11-10T22:18:25+00:00","first_seen_at":"2026-11-10T22:27:26+00:00","fetched_at":"2026-11-10T22:27:26+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-121355:2998","url":"https://www.adobe.com/trust/security/products/connect/apsb26-191.html","severity":null,"published_at":"2026-11-10T22:33:37+00:00","modified_at":"2026-11-10T22:33:37+00:00","first_seen_at":"2026-11-10T22:33:37+00:00","fetched_at":"2026-11-10T22:33:37+00:00","note":"Adobe APSB26-191 (Nov 10 2026) lists this as Incorrect Authorization, CVSS 9.1, no exploits known to Adobe. Affected: Connect 12.12 and earlier (Windows per bulletin). Fixed builds per branch: 12.12.a, 12.11.i, 12.10.f, 12.9.a, 12.8.a. Bulletin is one of ~30 CVEs fixed together. No social search: published today.","cites":["https://www.adobe.com/trust/security/products/connect/apsb26-191.html","https://nvd.nist.gov/vuln/detail/CVE-2026-121355"]}],"documents":[{"id":119650,"url":"https://www.adobe.com/trust/security/products/connect/apsb26-191.html","title":"APSB26-191 Security update available for Adobe Connect","kind":"advisory","source":"analyst","publisher":null,"text":"Adobe priority 2 update, Nov 10 2026. Affected: Adobe Connect 12.12 and earlier, Windows. Updated versions: 12.12.a, 12.11.i, 12.10.f, 12.9.a, 12.8.a. CVE-2026-121354: Path Traversal CWE-22, impact listed by Adobe: arbitrary code execution, critical, CVSS 9.9 AV:N/AC:L/PR:L/UI:N/S:C. Credit: edra. Adobe not aware of exploits in the wild.","published_at":null,"relation":"advisory","confidence":null,"note":null},{"id":119669,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121355","title":"NVD CVE-2026-121355","kind":"other","source":"analyst","publisher":null,"text":null,"published_at":null,"relation":"describes","confidence":null,"note":null}],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}