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TI-2018-12653 Aliases CVE-2018-17780GHSA-r3p8-5cf3-rwmg

Telegram Desktop (aka tdesktop) 1.3.14, and Telegram 3.3.0.0 WP8.1 on Windows, leaks…

Priority LOW 32CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

Telegram Desktop (aka tdesktop) 1.3.14, and Telegram 3.3.0.0 WP8.1 on Windows, leaks end-user public and private IP addresses during a call because of an unsafe default behavior in which P2P connections are accepted from clients outside of the My Contacts list.

Why it matters now

EPSS 0.01803 78th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:telegram:telegram_desktop:1.3.14:*:*:*:*:*:*:*1.3.14VulnerableTelegram
cpe:2.3:a:telegram:telegram_messenger:3.3.0.0:*:*:*:*:windows:*:*3.3.0.0VulnerableTelegram
  • cpe:2.3:a:telegram:telegram_desktop:1.3.14:*:*:*:*:*:*:* Versions 1.3.14 Vulnerable ·Telegram
  • cpe:2.3:a:telegram:telegram_messenger:3.3.0.0:*:*:*:*:windows:*:* Versions 3.3.0.0 Vulnerable ·Telegram

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-17780
  2. 2026-10-03 Alias added: GHSA-r3p8-5cf3-rwmg

References

Exploit 1

  • TI-2021-22409 Telegram Desktop 2.9.2 - Denial of Service (PoC) CVSS 4.0MEDIUM 4.6
  • TI-2018-12545 Telegram Desktop (aka tdesktop) 1.3.16 alpha, when "Use proxy" is enabled, sends… CVSS 3.0CRITICAL 9.8
  • TI-2019-07370 Telegram Desktop before 1.5.12 on Windows, and the Telegram applications for Android… CVSS 3.0HIGH 8.8
  • TI-2020-13213 Telegram Desktop through 2.1.13 allows a spoofed file type to bypass the Dangerous File… CVSS 3.1HIGH 7.8
  • TI-2018-12317 Telegram Desktop (aka tdesktop) 1.3.14 might allow attackers to cause a denial of service… CVSS 3.0HIGH 7.5
  • TI-2020-09975 Telegram Desktop through 2.0.1, Telegram through 6.0.1 for Android, and Telegram through… CVSS 3.1MEDIUM 6.5
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences