{"id":"CVE-2026-121432","kind":"vulnerability","aliases":["CVE-2026-121432"],"related":[],"title":"AzuraCast: CRLF injection lets station users rewrite public playlist streams","description":"AzuraCast before 0.24.0 contains a CRLF injection vulnerability that allows low-privilege station users to inject playlist entries by embedding CR/LF sequences in mount or remote relay display_name values. Attackers with Station:MountPoints or Station:RemoteRelays permission can inject FileN= and TitleN= lines into the public playlist.pls to redirect guest listeners to attacker-controlled streams under the victim station's name.","summary":"AzuraCast before 0.24.0 accepts carriage return and line feed characters in mount point and remote relay display names. A low-privilege station user can inject extra entries into the public playlist.pls file, redirecting listeners to attacker-controlled streams under the station's name.","severity":"medium","cvss":5.1,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["azuracast","internet-radio","runtime","self-hosted"],"not_affected_if":["no-delegated-station-users","version-0.24.0-or-later"],"how_to_check":"- Check the installed AzuraCast version; `0.24.0` or later is not affected by this issue, earlier versions are.\n- Review which accounts hold the Station:MountPoints or Station:RemoteRelays permissions.","fix":"- AzuraCast `0.24.0` or later.","status":"open","published_at":"2026-11-03T15:17:34+00:00","first_seen_at":"2026-11-03T15:21:59+00:00","triaged_at":"2026-11-03T15:24:48+00:00","updated_at":"2026-11-03T15:24:48+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-11-03T15:24:48Z","model":"claude-haiku-5-5","output":{"fix":"- AzuraCast `0.24.0` or later.","reach":"network","title":"AzuraCast: CRLF injection lets station users rewrite public playlist streams","impact":"medium","summary":"AzuraCast before 0.24.0 accepts carriage return and line feed characters in mount point and remote relay display names. A low-privilege station user can inject extra entries into the public playlist.pls file, redirecting listeners to attacker-controlled streams under the station's name.","audience":"businesses","category":"runtime","nicknames":[],"who_cares":["azuracast","self-hosted","internet-radio"],"confidence":0.6,"fix_status":"available","needs_auth":"yes","worst_case":"listeners redirected to attacker-controlled streams under the station's name","analyst_note":"","how_to_check":"- Check the installed AzuraCast version; `0.24.0` or later is not affected by this issue, earlier versions are.\n- Review which accounts hold the Station:MountPoints or Station:RemoteRelays permissions.","plain_action":"","needs_analyst":false,"not_affected_if":["version-0.24.0-or-later","no-delegated-station-users"],"who_is_affected":"Self-hosted AzuraCast instances before 0.24.0 where station staff hold the MountPoints or RemoteRelays permission. The attack needs a logged-in station user with those permissions; instances without such delegated users have less exposure. Operators running only admin accounts can deprioritise it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000694,"input_tokens":4217,"output_tokens":545,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-121432':13A,16A '-2026':12A,15A '0.24.0':27B,72C 'accept':28B 'allow':79C 'attack':62B,101C,125C 'attacker-control':61B,124C 'azuracast':1A,17B,25B,70C 'carriag':29B 'charact':34B 'contain':73C 'control':63B,126C 'cr/lf':91C 'crlf':2A,75C 'cve':11A,14A 'display':41B,98C 'embed':90C 'entri':52B,88C 'extra':51B 'feed':33B 'file':57B 'filen':111C 'guest':121C 'host':24B 'inject':3A,50B,76C,86C,110C 'internet':19B 'internet-radio':18B 'let':4A 'line':32B,114C 'listen':59B,122C 'low':45B,81C 'low-privileg':44B,80C 'mount':36B,94C 'mountpoint':104C 'name':42B,69B,99C,133C 'permiss':108C 'playlist':9A,87C 'playlist.pls':56B,118C 'point':37B 'privileg':46B,82C 'public':8A,55B,117C 'radio':20B 'redirect':58B,120C 'relay':40B,97C 'remot':39B,96C 'remoterelay':107C 'return':30B 'rewrit':7A 'runtim':21B 'self':23B 'self-host':22B 'sequenc':92C 'station':5A,47B,67B,83C,103C,106C,131C 'stream':10A,64B,127C 'titlen':113C 'user':6A,48B,84C 'valu':100C 'victim':130C 'vulner':77C","nicknames":[],"mitigations":[],"who_affected":"Self-hosted AzuraCast instances before 0.24.0 where station staff hold the MountPoints or RemoteRelays permission. The attack needs a logged-in station user with those permissions; instances without such delegated users have less exposure. Operators running only admin accounts can deprioritise it.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["azuracast","internetradio","medium","runtime","selfhosted"],"first_public_at":"2026-10-18T15:30:42+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121432","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121432","severity":null,"published_at":"2026-11-03T15:17:34+00:00","modified_at":"2026-11-03T15:17:34+00:00","first_seen_at":"2026-11-03T15:21:59+00:00","fetched_at":"2026-11-03T15:21:59+00:00","note":null}],"documents":[{"id":58389,"url":"https://github.com/AzuraCast/AzuraCast/security/advisories/GHSA-cqgx-rqjr-5gf4","title":"Vendor advisory: github.com","kind":"vendor","source":"nvd","publisher":"vendor","text":null,"published_at":"2026-10-18T15:30:42+00:00","relation":"advisory","confidence":null,"note":"Vendor advisory: github.com"},{"id":58390,"url":"https://www.vulncheck.com/advisories/azuracast-before-0.24.0-crlf-injection-via-mount-display-name-in-pls-playlist","title":"Third-party advisory: www.vulncheck.com","kind":"advisory","source":"nvd","publisher":"research","text":null,"published_at":null,"relation":"advisory","confidence":null,"note":"Third-party advisory: www.vulncheck.com"}],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}