{"id":"CVE-2026-116052","kind":"vulnerability","aliases":["CVE-2026-116052"],"related":[],"title":"LinkStack: cross-site request forgery in an unknown function up to 4.8.8","description":"A security flaw has been discovered in LinkStackOrg LinkStack up to 4.8.8. The affected element is an unknown function. Performing a manipulation results in cross-site request forgery. Remote exploitation of the attack is possible. The vendor was contacted early about this disclosure but did not respond in any way.","summary":"LinkStack, a self-hosted link-in-bio web application, has a cross-site request forgery flaw in an unspecified function in versions up to 4.8.8. A remote attacker who tricks a logged-in user into visiting a malicious page could make that user's browser perform actions on the LinkStack site.","severity":"medium","cvss":5.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["linkstack","package","php","self-hosted"],"not_affected_if":["newer-version"],"how_to_check":"- Check the installed LinkStack version against `4.8.8`; unknown whether later builds are fixed.\n- unknown which function is affected; the sources do not name it.","fix":"- Move to a LinkStack release newer than `4.8.8` once the vendor publishes one; the sources do not name a fixed version.\n- unknown whether a configuration change or workaround exists.","status":"open","published_at":"2026-10-25T13:16:27+00:00","first_seen_at":"2026-10-25T13:41:05+00:00","triaged_at":"2026-10-25T13:41:59+00:00","updated_at":"2026-10-25T13:41:59+00:00","category":"package","confidence":0.5,"triage":{"at":"2026-10-25T13:41:59Z","model":"claude-haiku-5-5","output":{"fix":"- Move to a LinkStack release newer than `4.8.8` once the vendor publishes one; the sources do not name a fixed version.\n- unknown whether a configuration change or workaround exists.","reach":"internet","title":"LinkStack: cross-site request forgery in an unknown function up to 4.8.8","impact":"medium","summary":"LinkStack, a self-hosted link-in-bio web application, has a cross-site request forgery flaw in an unspecified function in versions up to 4.8.8. A remote attacker who tricks a logged-in user into visiting a malicious page could make that user's browser perform actions on the LinkStack site.","category":"package","nicknames":[],"who_cares":["linkstack","self-hosted","php"],"confidence":0.5,"needs_auth":"unknown","worst_case":"Attacker performs actions as a logged-in user through their browser","analyst_note":"Find the vendor or NVD record naming the affected function, the fixed version, and whether the vendor responded; the disclosure says the vendor did not respond.","how_to_check":"- Check the installed LinkStack version against `4.8.8`; unknown whether later builds are fixed.\n- unknown which function is affected; the sources do not name it.","needs_analyst":true,"not_affected_if":["newer-version"],"who_is_affected":"Teams that self-host LinkStack up to version 4.8.8 and have logged-in administrators or users who browse other sites while signed in. The sources do not say which function is exposed, so the exact exposure is unknown. Instances on a newer release, or without authenticated users, are likely not affected, but the sources do not confirm this.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000628,"input_tokens":3314,"output_tokens":594,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-116052':16A,19A '-2026':15A,18A '4.8.8':13A,53B,92C 'action':76B 'affect':94C 'applic':36B 'attack':56B,114C 'bio':34B 'browser':74B 'contact':120C 'could':69B 'cross':3A,40B,106C 'cross-sit':2A,39B,105C 'cve':14A,17A 'disclosur':124C 'discov':86C 'earli':121C 'element':95C 'exploit':111C 'flaw':44B,83C 'forgeri':6A,43B,109C 'function':10A,48B,99C 'host':25B,30B 'link':32B 'link-in-bio':31B 'linkstack':1A,20B,26B,79B,89C 'linkstackorg':88C 'log':61B 'logged-in':60B 'make':70B 'malici':67B 'manipul':102C 'packag':21B 'page':68B 'perform':75B,100C 'php':22B 'possibl':116C 'remot':55B,110C 'request':5A,42B,108C 'respond':128C 'result':103C 'secur':82C 'self':24B,29B 'self-host':23B,28B 'site':4A,41B,80B,107C 'trick':58B 'unknown':9A,98C 'unspecifi':47B 'user':63B,72B 'vendor':118C 'version':50B 'visit':65B 'way':131C 'web':35B","nicknames":[],"mitigations":[],"who_affected":"Teams that self-host LinkStack up to version 4.8.8 and have logged-in administrators or users who browse other sites while signed in. The sources do not say which function is exposed, so the exact exposure is unknown. Instances on a newer release, or without authenticated users, are likely not affected, but the sources do not confirm this.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-25T13:16:27+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: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":"cna@vuldb.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-116052","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116052","severity":null,"published_at":"2026-10-25T13:16:27+00:00","modified_at":"2026-10-25T13:16:28+00:00","first_seen_at":"2026-10-25T13:41:05+00:00","fetched_at":"2026-10-25T13:41:05+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"}