CVE Explorer
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"bigbluebutton","vendor":"bigbluebutton","versions":[{"status":"affected","version":"< 3.0.24"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:187fb774eee7849be6c9c806e554e47edeb63a0a05c46a2a9fdf59fe1978e066 · sha256:2b7f427aebd3ab47… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:187fb774eee7849be6c9c806e554e47edeb63a0a05c46a2a9fdf59fe1978e066 · sha256:2b7f427aebd3ab47… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:187fb774eee7849be6c9c806e554e47edeb63a0a05c46a2a9fdf59fe1978e066 · sha256:2b7f427aebd3ab47… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-q387-2q28-mg33","tags":["x_refsource_CONFIRM"],"url":"https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-q387-2q28-mg33"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:187fb774eee7849be6c9c806e554e47edeb63a0a05c46a2a9fdf59fe1978e066 · sha256:2b7f427aebd3ab47… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.