CVE-2026-41127Disclosure

LOWCVSS 6.5 · MEDIUM

Signal is active with 2 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

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0.0/ 10 priority

Sources & remediation

Other references

https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-q387-2q28-mg33

Weakness type (CWE)

CWE-639

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Threat summary

3 mentions across 2 observed days
Momentum state: stable

What's happening

Technical details provided in 3 signals
Disclosure: 3 classified signals
Peaked at 2 mentions on most recent observed day (2026-04-25)
3 total mentions across 2 days

Deep dive

Activity timeline3 mentions / 2d

Signal classification1 categories

Disclosure

3100.0%

Referenced assets3 URLs

By indicator

Classification over time

Date	Total	Labels

2026-04-22	1	Disclosure1
2026-04-25	2	Disclosure2

Full discourse3 posts

Infoflowcloud@infoflowcloud168d
Disclosure
🚨*CVE* 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.… https://www.cve.org/CVERecord?id=CVE-2026-41127 ----- Traducción: CVE-2026-41127 Big… http://infoflow.cloud`
Post summary
The post discloses a missing authorization flaw in BigBlueButton versions before 3.0.24 that lets users inject or overwrite captions.
0000042
72 followersView on X
CVE@CVEnew168d
Disclosure
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.… https://www.cve.org/CVERecord?id=CVE-2026-41127
Post summary
The post discloses a missing-authentication issue in BigBlueButton versions before 3.0.24 that lets users inject or overwrite captions, but does not mention exploitation, PoC, or mitigation.
00000156
57.3K followersView on X
Vulmon Vulnerability Feed@VulmonFeeds172d
Disclosure
CVE-2026-41127 Missing Authorization Allows Caption Injection in BigBlueButton Versions Before 3.0.24 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-41127
Post summary
The post announces CVE‑2026‑41127, highlighting a missing‑authorization flaw that permits caption injection in BigBlueButton versions before 3.0.24. It contains technical detail but no PoC, exploit code, active exploitation claim, or patch information.
0000052
4.0K followersView on X

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