Telegram bug bounty programs
telegram.org Updated
Telegram runs one public program: a self-hosted bug bounty paying up to $100,000.
- Top reward
- $100,000
- Self-hosted
- Programs
- 1
- 1 pays cash
- Targets in scope
- 22
- 3 types
- Last change
- None yet
- Tracked since Nov 2026
Where to report
The one public program Telegram runs.
| Program | Top reward | Safe harbor | KYC | First response | Status |
|---|---|---|---|---|---|
Telegram
Self-hosted · Bug bounty |
$100,000 | Full | – | – | Open |
-
- Safe harbor
- Full
Amounts are the top reward per severity in the currency each program pays. First response is the platform's measured average when it publishes one, else what the policy promises.
What is in scope
22 targets. 5 excluded.
-
*.stel.com
Wildcards
-
*.t.me
Wildcards
-
t.me, *.t.me
Wildcards
-
*.telegram.me
Wildcards
-
telegram.me, *.telegram.me
Wildcards
-
*.telegram.org
Wildcards
-
telegram.org, *.telegram.org
Wildcards
-
*.telesco.pe
Wildcards
-
*.tg.dev
Wildcards
-
tg.dev, *.tg.dev
Wildcards
-
contest.com
Domains
-
quiz.directory
Domains
-
stel.com
Domains
-
t.me
Domains
-
telegra.ph
Domains
-
telegram.me
Domains
-
telegram.org
Domains
-
telesco.pe
Domains
-
tg.dev
Domains
-
MTProto 2.0
Products and areas
-
Official Telegram apps
Products and areas
-
Telegram domains
Products and areas
No target matches. Try part of a host name, such as the company name.
Out of scope 5
Don't test these. A program can exclude a host another program covers; the program you report to decides.
-
core.telegram.org/schema
-
https://core.telegram.org/bots/api
-
Apps developed by third parties using the open Telegram API
-
bots running under Telegram's Bot API
-
Third-party domains that integrate Telegram pages or services
Recent changes
Reward and scope changes across every Telegram program, newest first.
No changes recorded yet. New targets and reward moves show up here and in the RSS feed.
Recent CVEs
Published vulnerabilities in Telegram products, from the NVD.
-
CVE-2021-47793 Medium
Telegram Desktop 2.9.2 contains a denial of service vulnerability that allows attackers to crash the application by sending an oversized message payload. Attackers can generate a 9 million byte buffer and paste it into the messaging interface to trigger an application crash.
-
CVE-2024-7014 High
EvilVideo vulnerability allows sending malicious apps disguised as videos in Telegram for Android application affecting versions 10.14.4 and older.
-
CVE-2023-34658 Medium
Telegram v9.6.3 on iOS allows attackers to hide critical information on the User Interface via calling the function SFSafariViewController.
-
CVE-2023-26818 Medium
Telegram 9.3.1 and 9.4.0 allows attackers to access restricted files, microphone ,or video recording via the DYLD_INSERT_LIBRARIES flag.
-
CVE-2022-43363 Medium
Telegram Web 15.3.1 allows XSS via a certain payload derived from a Target Corporation website. NOTE: some third parties have been unable to discern any relationship between the Pastebin information and a possible XSS finding.
-
CVE-2021-41861 Low
The Telegram application 7.5.0 through 7.8.0 for Android does not properly implement image self-destruction, a different vulnerability than CVE-2019-16248. After approximately two to four uses of the self-destruct feature, there is a misleading UI indication that an image was deleted (on both the sender and recipient sides). The images are still present in the /Storage/Emulated/0/Telegram/Telegram
-
CVE-2021-40532 Critical
Telegram Web K Alpha before 0.7.2 mishandles the characters in a document extension.
-
CVE-2021-37596 Medium
Telegram Web K Alpha 0.6.1 allows XSS via a document name.
About this page
This page gathers every public program listed under telegram.org: platform programs, self-hosted policies and security.txt contacts. Each program's own policy decides what is in scope and what it pays; check it before you test.
Something wrong or missing? Report a correction.