CVE-2018-17613

Telegram Desktop (aka tdesktop) 1.3.16 alpha, when "Use proxy" is enabled, sends credentials and...

9.8 Critical

CVE-2018-17613 is a critical vulnerability (CVSS 9.8) in Telegram Desktop, published September 28, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.62%, the 76th percentile. No source names a fixed version.

Telegram Desktop (aka tdesktop) 1.3.16 alpha, when "Use proxy" is enabled, sends credentials and application data in cleartext over the SOCKS5 protocol.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.62%Up 1.0 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

Telegram Desktop (aka tdesktop) 1.3.16 alpha, when "Use proxy" is enabled, sends credentials and application data in cleartext over the SOCKS5 protocol.

Record: CVE-2018-17613
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness: CWE-522
Updated: 2026-11-02

CVE List No score

Telegram Desktop (aka tdesktop) 1.3.16 alpha, when "Use proxy" is enabled, sends credentials and application data in cleartext over the SOCKS5 protocol.

Record: CVE-2018-17613
Updated: 2026-11-02

EUVDEUVD-2018-9360 No score

Telegram Desktop (aka tdesktop) 1.3.16 alpha, when "Use proxy" is enabled, sends credentials and application data in cleartext over the SOCKS5 protocol.

Record: EUVD-2018-9360
Updated: 2026-11-03

GitHub AdvisoriesGHSA-f948-97vm-63xw 9.8

Telegram Desktop (aka tdesktop) 1.3.16 alpha, when "Use proxy" is enabled, sends credentials and...

Telegram Desktop (aka tdesktop) 1.3.16 alpha, when "Use proxy" is enabled, sends credentials and application data in cleartext over the SOCKS5 protocol.

Record: GHSA-f948-97vm-63xw
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-522
Updated: 2026-11-02

OSV 9.8

Telegram Desktop (aka tdesktop) 1.3.16 alpha, when "Use proxy" is enabled, sends credentials and application data in cleartext over the SOCKS5 protocol.

Record: CVE-2018-17613
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2018-17613 9.8

Telegram Desktop (aka tdesktop) 1.3.16 alpha, when "Use proxy" is enabled, sends credentials and application data in cleartext over the SOCKS5 protocol.

Record: DEBIAN-CVE-2018-17613
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2018-17613 9.8

Telegram Desktop (aka tdesktop) 1.3.16 alpha, when "Use proxy" is enabled, sends credentials and application data in cleartext over the SOCKS5 protocol.

Record: UBUNTU-CVE-2018-17613
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

telegram desktop

Affected packages

Affected packages
Package	Affected	Fixed
`telegram-desktop` Debian:12	All versions, plus listed versions 4.10.3+ds-14.10.3+ds-24.11.5+ds-14.11.8+ds-14.13.1+ds-1 Show 16 moreShow less 4.14.3+ds-14.14.4+ds-14.14.9+ds-14.14.9+ds-1.14.6.5+ds-24.8.1+ds-14.8.1+ds-24.8.1+ds-2~bpo11+14.8.1+ds-2~bpo12+14.9.3+ds-14.9.7+ds-15.7.2+ds-25.7.2+ds-2~bpo13+15.7.2+ds-35.7.2+ds-45.7.2+ds-5	None known
`telegram-desktop` Debian:14	All versions, plus listed versions 1.0.14-11.0.29-11.1.0-11.1.10-11.1.18-1 Show 45 moreShow less 1.1.19-11.1.19-21.1.23-11.1.23-1~bpo9+11.1.23-21.1.23-31.2.1-11.2.1-21.2.15-11.2.17-11.2.6-11.2.6-21.3.10-11.3.10-21.3.14-11.3.7-11.4.0-11.5.11-11.5.2-11.5.4-11.5.8-11.7.0-11.7.14-11.8.15-11.8.15-21.8.15-2~bpo10+11.8.2-11.8.2-21.8.4-11.8.8-11.9.14+ds-11.9.14+ds-21.9.21+ds-11.9.8~slim-12.0.1+ds-12.1.0+ds-12.1.4+ds-12.1.5+ds-12.1.7+ds-12.1.7+ds-22.2.0+ds-12.2.0+ds-22.2.0+ds-2~bpo10+12.2.0+ds-32.2.0+ds-4	None known
`telegram-desktop` Ubuntu:18.04:LTS	All versions, plus listed versions 1.1.23-11.1.23-1build11.1.23-21.1.23-31.2.6-1 Show 7 moreShow less 1.2.6-21.2.6-2build11.2.6-2build21.2.6-2build31.2.15-11.2.15-1build11.2.17-1	None known
`telegram-desktop` Ubuntu:20.04:LTS	All versions, plus listed versions 1.8.8-11.8.15-21.9.8~slim-11.9.14+ds-11.9.14+ds-2 Show 5 moreShow less 1.9.21+ds-12.0.1+ds-12.0.1+ds-1build12.1.7+ds-2~ubuntu20.04.13.1.1+ds-1~ubuntu20.04.1	None known
`telegram-desktop` Ubuntu:22.04:LTS	All versions, plus listed versions 3.1.1+ds-13.5.2+ds-13.6.1+ds-2build1	None known

History

History
When	Changed	Sources
2026-11-03	aliases	EUVD
2026-11-02	created	CVE List, GitHub Advisories, NVD, OSV

References

This page doesn't list everything

Left out here: 70 versions. The JSON record has them.