CVE-2026-27737 BigBlueButton has Stored XSS in bbb-playback replay

BigBlueButton is an open-source virtual classroom. In versions prior to 3.0.19, the recording playback presentation format was not sanitizing user's input in public chat. This allowed for a malicious actor to craft and carry out a targeted XSS attack, activated on anyone replaying the recording...

BigBlueButton 跨站脚本漏洞

BigBlueButton is an open-source web conferencing system developed by the BigBlueButton community. Versions of BigBlueButton prior to 3.0.19 contained a cross-site scripting vulnerability. This vulnerability stemmed from the failure to clean up user input in public chat areas during recording and...

PT-2026-41738

Name of the Vulnerable Software and Affected Versions BigBlueButton versions prior to 3.0.19 Description Recording playback in presentation format fails to sanitize user input within the public chat. This allows a malicious actor to execute a targeted Cross-Site Scripting XSS attack—a technique...

CVE-2026-41126

BigBlueButton is an open-source virtual classroom. Versions prior to 3.0.24 have an Open Redirect through bigbluebutton/api/join via get-parameter "logoutURL." Version 3.0.24 has adjusted the handling of requests with incorrect checksum so that the default logoutURL is used. No known workarounds...

CVE-2026-41127

BigBlueButton is an open-source virtual classroom. Versions prior to 3.0.24 have a missing authorization that allows viewers to inject/overwrite captions Version 3.0.24 tightened the permissions on who is able to submit captions. No known workarounds are available...

BigBlueButton 安全漏洞

BigBlueButton is an open-source web conferencing system developed by the BigBlueButton community. Versions of BigBlueButton prior to 3.0.24 contained security vulnerabilities. These vulnerabilities stemmed from a lack of authorization, allowing viewers to inject or overwrite subtitles, potentiall...

BigBlueButton 输入验证错误漏洞

BigBlueButton is an open-source web conferencing system developed by the BigBlueButton community. Versions of BigBlueButton prior to 3.0.24 contained a vulnerability related to input validation errors. This vulnerability stemmed from an open redirection issue in the get-parameter and logoutURL...

CVE-2026-41127 BigBlueButton's missing authorization allows viewer to inject/overwrite captions

BigBlueButton is an open-source virtual classroom. Versions prior to 3.0.24 have a missing authorization that allows viewers to inject/overwrite captions Version 3.0.24 tightened the permissions on who is able to submit captions. No known workarounds are available...

CVE-2026-41127

BigBlueButton is an open-source virtual classroom. Versions prior to 3.0.24 have a missing authorization that allows viewers to inject/overwrite captions Version 3.0.24 tightened the permissions on who is able to submit captions. No known workarounds are available...

CVE-2026-41127 BigBlueButton's missing authorization allows viewer to inject/overwrite captions

BigBlueButton is an open-source virtual classroom. Versions prior to 3.0.24 have a missing authorization that allows viewers to inject/overwrite captions Version 3.0.24 tightened the permissions on who is able to submit captions. No known workarounds are available...

EUVD-2026-24565

BigBlueButton is an open-source virtual classroom. Versions prior to 3.0.24 have a missing authorization that allows viewers to inject/overwrite captions Version 3.0.24 tightened the permissions on who is able to submit captions. No known workarounds are available...

CVE-2026-41127

BigBlueButton (open-source virtual classroom) prior to 3.0.24 has an authorization flaw that allows viewers to inject or overwrite captions; version 3.0.24 tightened permissions to submit captions. No known workarounds are provided. CVSS 3.1 base score is 6.5 (I: High, A: None, C: None; Privilege...

CVE-2026-41127 BigBlueButton's missing authorization allows viewer to inject/overwrite captions

BigBlueButton is an open-source virtual classroom. Versions prior to 3.0.24 have a missing authorization that allows viewers to inject/overwrite captions Version 3.0.24 tightened the permissions on who is able to submit captions. No known workarounds are available...

CVE-2026-41126 BigBlueButton has Open Redirect through bigbluebutton/api/join via get-parameter "logoutURL"

BigBlueButton is an open-source virtual classroom. Versions prior to 3.0.24 have an Open Redirect through bigbluebutton/api/join via get-parameter "logoutURL." Version 3.0.24 has adjusted the handling of requests with incorrect checksum so that the default logoutURL is used. No known workarounds...

CVE-2026-41126

BigBlueButton (open-source virtual classroom) vulnerable in versions prior to 3.0.24 to an Open Redirect via the join endpoint (bigbluebutton/api/join) using the logoutURL GET parameter. The root cause is the handling of requests with an incorrect checksum, after which the default logoutURL is us...

EUVD-2026-24563

BigBlueButton is an open-source virtual classroom. Versions prior to 3.0.24 have an Open Redirect through bigbluebutton/api/join via get-parameter "logoutURL." Version 3.0.24 has adjusted the handling of requests with incorrect checksum so that the default logoutURL is used. No known workarounds...

CVE-2026-41126

BigBlueButton is an open-source virtual classroom. Versions prior to 3.0.24 have an Open Redirect through bigbluebutton/api/join via get-parameter "logoutURL." Version 3.0.24 has adjusted the handling of requests with incorrect checksum so that the default logoutURL is used. No known workarounds...

CVE-2026-41126 BigBlueButton has Open Redirect through bigbluebutton/api/join via get-parameter "logoutURL"

BigBlueButton is an open-source virtual classroom. Versions prior to 3.0.24 have an Open Redirect through bigbluebutton/api/join via get-parameter "logoutURL." Version 3.0.24 has adjusted the handling of requests with incorrect checksum so that the default logoutURL is used. No known workarounds...

CVE-2026-41126 BigBlueButton has Open Redirect through bigbluebutton/api/join via get-parameter "logoutURL"

BigBlueButton is an open-source virtual classroom. Versions prior to 3.0.24 have an Open Redirect through bigbluebutton/api/join via get-parameter "logoutURL." Version 3.0.24 has adjusted the handling of requests with incorrect checksum so that the default logoutURL is used. No known workarounds...

PT-2026-34218

Name of the Vulnerable Software and Affected Versions BigBlueButton versions prior to 3.0.24 Description A missing authorization allows viewers to inject or overwrite captions. Recommendations Update to version 3.0.24...