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CVE-2018-3986
An exploitable information disclosure vulnerability exists in the "Secret Chats" functionality of the Telegram Android messaging…
Medium4.2EPSS 0.43%
- Published
- Updated
- Reserved
- Assigned by
- talos
Description
An exploitable information disclosure vulnerability exists in the "Secret Chats" functionality of the Telegram Android messaging application version 4.9.0. The "Secret Chats" functionality allows a user to delete all traces of a chat, either by using a time trigger or by direct request. There is a bug in this functionality that leaves behind photos taken and shared on the secret chats, even after the chats are deleted. These photos will be stored in the device and accessible to all applications installed on the Android device.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| talosCNA (assigner) | 3.0 | Medium4.2 | CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.43% · top 63% of all CVEs (4 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.2.
Weakness
- Exposure of Private Information
- CWE-200 (opens in a new tab)All about CWE-200 and its CVEs
Affected products
Telegram
- affected Telegram Messaging Application for Android 4.9.0
References (2)
- 106295 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0654 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2018-3986)Record last updated .