{"id":"CVE-2026-111626","kind":"vulnerability","aliases":["CVE-2026-111626"],"related":[],"title":"Webreaper Damselfly through 4.5.3 contains an authentication bypass vulnerability that allows unauthenticated…","description":"Webreaper Damselfly through 4.5.3 contains an authentication bypass vulnerability that allows unauthenticated attackers to access all /api/* routes because controller authorization attributes are commented out. Attackers can send PUT /api/users with Admin roles to create administrator accounts, or POST /api/users to reset any user's password, gaining full control.","summary":"Webreaper Damselfly through version 4.5.3 has its API controller authorization attributes commented out, so /api/* routes are reachable without logging in. An unauthenticated attacker can create an administrator account or reset any user's password and take full control of the instance.","severity":"critical","cvss":9.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["damselfly","docker","package","photo-management","self-hosted"],"not_affected_if":["managed-hosting","version-above-4.5.3"],"how_to_check":"Check the Damselfly version running (4.5.3 or earlier is affected); unknown whether a config setting can check the exposure further.\nSend an unauthenticated request to GET /api/users on the instance and see whether it returns data.","fix":"Rotate passwords and review user accounts for unexpected administrators if exposure is suspected.","status":"open","published_at":"2026-10-16T18:17:42+00:00","first_seen_at":"2026-10-23T21:57:13+00:00","triaged_at":"2026-10-23T22:05:06+00:00","updated_at":"2026-10-23T22:28:55+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-10-23T22:05:06Z","model":"claude-haiku-5-5","output":{"fix":"unknown: the sources do not name a fixed version; upgrade past 4.5.3 once the vendor releases a fix, and restrict network access to the instance until then.\nRotate passwords and review user accounts for unexpected administrators if exposure is suspected.","reach":"internet","impact":"high","summary":"Webreaper Damselfly through version 4.5.3 has its API controller authorization attributes commented out, so /api/* routes are reachable without logging in. An unauthenticated attacker can create an administrator account or reset any user's password and take full control of the instance.","category":"package","who_cares":["self-hosted","damselfly","docker","photo-management"],"confidence":0.7,"needs_auth":"no","worst_case":"Attacker creates admin accounts and takes full control of the instance","analyst_note":"Confirm the fixed version and the vendor advisory at NVD and the Damselfly project; sources give no fix version or exploitation status.","how_to_check":"Check the Damselfly version running (4.5.3 or earlier is affected); unknown whether a config setting can check the exposure further.\nSend an unauthenticated request to GET /api/users on the instance and see whether it returns data.\nunknown for other checks","needs_analyst":true,"not_affected_if":["managed-hosting","version-above-4.5.3"],"user_interaction":"no","needs_special_setup":"no","severity_if_unknown":"critical"},"cost_usd":0.000519,"input_tokens":2779,"output_tokens":483,"severity_before":"critical"},"analyst_status":null,"analyst_note":null,"search":"'-111626':15A,18A '-2026':14A,17A '/api':42B,86C '/api/users':99C,109C '4.5.3':4A,32B,73C 'access':84C 'account':56B,106C 'admin':101C 'administr':55B,105C 'allow':11A,80C 'api':35B 'attack':51B,82C,95C 'attribut':38B,91C 'authent':7A,76C 'author':37B,90C 'bypass':8A,77C 'comment':39B,93C 'contain':5A,74C 'control':36B,66B,89C,118C 'creat':53B,104C 'cve':13A,16A 'damselfli':2A,19B,29B,71C 'docker':20B 'full':65B,117C 'gain':116C 'host':27B 'instanc':69B 'log':47B 'manag':24B 'packag':21B 'password':62B,115C 'photo':23B 'photo-manag':22B 'post':108C 'put':98C 'reachabl':45B 'reset':58B,111C 'role':102C 'rout':43B,87C 'self':26B 'self-host':25B 'send':97C 'take':64B 'unauthent':12A,50B,81C 'user':60B,113C 'version':31B 'vulner':9A,78C 'webreap':1A,28B,70C 'without':46B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-16T18:17:42+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-111626","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111626","severity":null,"published_at":"2026-10-16T18:17:42+00:00","modified_at":"2026-10-16T22:17:21+00:00","first_seen_at":"2026-10-23T21:57:13+00:00","fetched_at":"2026-10-23T22:28:55+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"}