CVE-2025-66556
- Source
- https://cve.org/CVERecord?id=CVE-2025-66556
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-66556.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2025-66556
- Aliases
-
- GHSA-pr9f-vqgg-m2jh
- Published
- 2025-12-05T17:56:44Z
- Modified
- 2026-10-28T02:31:09Z
- Severity
-
- 3.5 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N CVSS Calculator
- Summary
- Nextcloud talk allows participants to blindly delete poll drafts of other users by ID
- Details
-
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 their numeric ID. This vulnerability is fixed in 20.1.8 and 21.1.2.
- Database specific
{ "cna_assigner": "GitHub_M", "cwe_ids": [ "CWE-639" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66556.json" }- References
-
- https://hackerone.com/reports/3247386
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66556.json
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pr9f-vqgg-m2jh
- https://nvd.nist.gov/vuln/detail/CVE-2025-66556
- https://github.com/nextcloud/spreed/commit/bd68e80d1dea98d84c1d621c2c681238cf041725
- https://github.com/nextcloud/spreed/pull/15532
Affected packages
Git / github.com/nextcloud/spreed
Affected ranges
- Type
- GIT
- Repo
- https://github.com/nextcloud/spreed
- Events
- Database specific
-
Show details
{ "extracted_events": [ { "cpe": "cpe:2.3:a:nextcloud:talk:*:*:*:*:*:*:*:*", "range": [ { "introduced": "20.0.0" }, { "fixed": "20.1.8" } ], "source": "CPE_RANGE" }, { "cpe": "cpe:2.3:a:nextcloud:talk:*:*:*:*:*:*:*:*", "range": [ { "introduced": "21.0.0" }, { "fixed": "21.1.2" } ], "source": "CPE_RANGE" }, { "range": [ { "fixed": "bd68e80d1dea98d84c1d621c2c681238cf041725" } ], "source": "REFERENCES_COMMIT" } ] }