Vendor

    Telegram

    41 known vulnerabilities in products by Telegram, 0 of them actively exploited (CISA KEV).

    Key figures

    41

    Vulnerabilities

    0

    Actively exploited (KEV)

    0

    Used by ransomware

    2

    Critical

    Vulnerabilities

    Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.

    Vulnerabilities in Telegram
    HighCVE-2019-10044

    Telegram: security vulnerability

    		8.8
    CriticalCVE-2018-17613

    Telegram Desktop: security vulnerability

    		9.8
    HighCVE-2020-17448

    Telegram Desktop: security vulnerability

    		7.8
    HighCVE-2017-17715

    Telegram Messenger: Path Traversal

    		8.8
    HighCVE-2026-107181

    Telegram Desktop before 7.2.9 IPC Record Injection File Exfiltration via interpret: Scheme

    also in 1 other product

    		8.1
    MediumCVE-2020-12474

    Telegram: security vulnerability

    		6.5
    HighCVE-2024-7014

    Improper multimedia file attachment validation in Telegram for Android app

    also in 1 other product

    		8.1
    CriticalCVE-2021-40532

    Telegram Web K Alpha: security vulnerability

    		9.8
    HighCVE-2018-20436

    Telegram: Server-Side Request Forgery (SSRF)

    		8.1
    MediumCVE-2018-17780

    Telegram Desktop: security vulnerability

    		6.5
    MediumCVE-2019-15514

    Telegram: security vulnerability

    		5.3
    HighCVE-2018-17231

    Telegram Desktop: Denial of Service

    		7.5
    HighCVE-2014-8688

    Telegram Messenger: security vulnerability

    		7.5
    HighCVE-2021-31320

    Telegram: Heap-Based Buffer Overflow

    		7.1
    HighCVE-2021-31321

    Telegram: Out-of-Bounds Access

    		7.1
    MediumCVE-2021-31322

    Telegram: Heap-Based Buffer Overflow

    		5.5
    MediumCVE-2021-36769

    Telegram: security vulnerability

    		5.3
    HighCVE-2026-94488

    Telegram Desktop: Cross-site Scripting

    		8.2
    MediumCVE-2021-31315

    Telegram: Out-of-Bounds Access

    		5.5
    MediumCVE-2021-31317

    Telegram: Out-of-Bounds Access

    		5.5
    MediumCVE-2021-31318

    Telegram: Out-of-Bounds Access

    		5.5
    MediumCVE-2021-31319

    Telegram: Out-of-Bounds Access

    		5.5
    MediumCVE-2021-31323

    Telegram: Heap-Based Buffer Overflow

    		5.5
    HighCVE-2021-47793

    Telegram Desktop 2.9.2 - Denial of Service (PoC)

    		7.5
    HighCVE-2026-111105

    Telegram rlottie Numeric Truncation Remote Code Execution Vulnerability

    		7.0

    All vulnerabilities in search

    Products

    Products by Telegram
    Telegram280
    Telegram Desktop120