Nextcloud
Nextcloud Talk: vulnerabilities and CVEs
Nextcloud Talk has 20 published vulnerabilities, 1 of them in the last 12 months. 1 are rated critical and 0 are listed by CISA as actively exploited.
CVEs20
Last 12 months1
Critical1
Actively exploited0
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Latest vulnerabilities
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2025-66556 | Medium (4.3) | 0.25% | — | Dec 5, 2025 | Nextcloud talk is a video & audio conferencing app for Nextcloud. Prior to 20.1.8 and 21.1.2, a participant with chat permissions was able to delete poll drafts of other participants within the conversation based on… |
| CVE-2023-45149 | Medium (4.3) | 0.48% | — | Oct 16, 2023 | Nextcloud talk is a chat module for the Nextcloud server platform. In affected versions brute force protection of public talk conversation passwords can be bypassed, as there was an endpoint validating the conversation… |
| CVE-2023-39957 | High (7.8) | 0.37% | — | Aug 10, 2023 | Nextcloud Talk Android allows users to place video and audio calls through Nextcloud on Android. Prior to version 17.0.0, an unprotected intend allowed malicious third party apps to trick the Talk Android app into… |
| CVE-2023-30540 | Medium (4.3) | 0.66% | — | Apr 17, 2023 | Nextcloud Talk is a chat, video & audio call extension for Nextcloud. In affected versions a user that was added later to a conversation can use this information to get access to data that was deleted before they were… |
| CVE-2023-28845 | Low (3.5) | 0.45% | — | Mar 31, 2023 | Nextcloud talk is a video & audio conferencing app for Nextcloud. In affected versions the talk app does not properly filter access to a conversations member list. As a result an attacker could use this vulnerability to… |
| CVE-2023-22473 | Low (2.1) | 0.56% | — | Jan 9, 2023 | Talk-Android enables users to have video & audio calls through Nextcloud on Android. Due to passcode bypass, an attacker is able to access the user's Nextcloud files and view conversations. To exploit this the attacker… |
| CVE-2022-41926 | Medium (5.5) | 0.28% | — | Nov 25, 2022 | Nextcould talk android is the android OS implementation of the nextcloud talk chat system. In affected versions the receiver is not protected by broadcastPermission allowing malicious apps to monitor communication. It… |
| CVE-2022-39212 | Medium (5.3) | 0.68% | — | Sep 17, 2022 | Nextcloud Talk is an open source chat, video & audio calls client for the Nextcloud platform. In affected versions an attacker could see the last video frame of any participant who has video disabled but a camera… |
| CVE-2022-35932 | Medium (5.3) | 1.3% | — | Aug 12, 2022 | Nextcloud Talk is a video and audio conferencing app for Nextcloud. Prior to versions 12.2.7, 13.0.7, and 14.0.3, password protected conversations are susceptible to brute force attacks if the attacker has the… |
| CVE-2022-24890 | Medium (4.3) | 0.93% | — | May 17, 2022 | Nextcloud Talk is a video and audio conferencing app for Nextcloud. In versions prior to 13.0.5 and 14.0.0, a call moderator can indirectly enable user webcams by granting permissions, if they were enabled before… |
| CVE-2022-24887 | Medium (6.1) | 0.94% | — | Apr 27, 2022 | Nextcloud Talk is a video and audio conferencing app for Nextcloud, a self-hosted productivity platform. Prior to versions 11.3.4, 12.2.2, and 13.0.0, when sharing a Deck card in conversation, the metaData can be… |
| CVE-2021-41181 | Low (2.4) | 0.31% | — | Mar 8, 2022 | Nextcloud talk is a self hosting messaging service. In versions prior to 12.3.0 the Nextcloud Android Talk application did not properly detect the lockscreen state when a call was incoming. If an attacker got physical… |
| CVE-2021-41180 | Medium (6.1) | 1.0% | — | Mar 8, 2022 | Nextcloud talk is a self hosting messaging service. In versions prior 12.1.2 an attacker is able to control the link of a geolocation preview in the Nextcloud Talk application due to a lack of validation on the link.… |
| CVE-2021-39222 | Medium (6.1) | 1.1% | — | Nov 15, 2021 | Nextcloud is an open-source, self-hosted productivity platform. The Nextcloud Talk application was vulnerable to a stored Cross-Site Scripting (XSS) vulnerability. For exploitation, a user would need to right-click on a… |
| CVE-2021-32689 | Medium (6.5) | 1.0% | — | Jul 12, 2021 | Nextcloud Talk is a fully on-premises audio/video and chat communication service. In versions prior to 11.2.2, if a user was able to reuse an earlier used username, they could get access to any chat message sent to the… |
| CVE-2021-32676 | Medium (6.5) | 0.95% | — | Jun 16, 2021 | Nextcloud Talk is a fully on-premises audio/video and chat communication service. Password protected shared chats in Talk before version 9.0.10, 10.0.8 and 11.2.2 did not rotate the session cookie after a successful… |
| CVE-2020-8180 | Critical (9.9) | 1.7% | — | Jun 8, 2020 | A too lax check in Nextcloud Talk 6.0.4, 7.0.2 and 8.0.7 allowed a code injection when a not correctly sanitized talk command was added by an administrator. |
| CVE-2019-15620 | Low (2.7) | 0.77% | — | Feb 4, 2020 | Improper access control in Nextcloud Talk 6.0.3 leaks the existance and the name of private conversations when linked them to another shared item via the projects feature. |
| CVE-2019-15619 | Medium (4.8) | 0.84% | — | Feb 4, 2020 | Improper neutralization of file names, conversation names and board names in Nextcloud Server 16.0.3, Nextcloud Talk 6.0.3 and Nextcloud Deck 0.6.5 causes an XSS when linking them with each others in a project. |
| CVE-2018-3781 | Medium (5.4) | 0.74% | — | Aug 13, 2018 | A missing sanitization of search results for an autocomplete field in NextCloud Talk <3.2.5 could lead to a stored XSS requiring user-interaction. The missing sanitization only affected user names, hence malicious… |