# CVE-2026-107181: Telegram Desktop before 7.2.9 IPC Record Injection File Exfiltration via interpret: Scheme

Status: published. Published: 2026-10-07. Updated: 2026-11-09.

Telegram Desktop before 7.2.9 contains an IPC record-separator injection vulnerability in Core::Sandbox that allows remote attackers to inject OPEN: records via crafted tg:// links containing unescaped semicolons. Attackers can reach the interpret: scheme handler to upload local files, including tdata session keys, to an attacker channel, enabling account takeover.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulnCheck) — https://github.com/telegramdesktop/tdesktop/commit/db3405699f8fc3ae28a58d2348b7d13a43c0590a

## Affected products and versions

- Telegram / Telegram Desktop (telegramdesktop/tdesktop): ≥ 0; < 7.2.9 (affected, semver); 7.2.9 (unaffected, semver). Source: CNA: VulnCheck

## Severity and prioritization

- CVSS 4.0: 8.6 (high); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N; source: CNA: VulnCheck

- CVSS 3.1: 8.1 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N; source: CNA: VulnCheck

- CISA KEV: No listing in collected sources

- EPSS: 0.61% as of 2026-11-08; percentile 49.57%

- SSVC: exploitation poc; automatable no; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-143

## Exploit evidence

- exploit: https://beaksec.github.io/posts/telegram-desktop-one-click-account-takeover/ (CNA: VulnCheck)

## References

- https://beaksec.github.io/posts/telegram-desktop-one-click-account-takeover/ (CNA: VulnCheck; technical-description, exploit)

- https://github.com/telegramdesktop/tdesktop/commit/db3405699f8fc3ae28a58d2348b7d13a43c0590a (CNA: VulnCheck; patch)

- https://github.com/telegramdesktop/tdesktop/releases/tag/v7.2.9 (CNA: VulnCheck; release-notes)

- https://github.com/telegramdesktop/tdesktop/blob/v7.2.8/Telegram/SourceFiles/core/sandbox.cpp#L362-L364 (CNA: VulnCheck; technical-description)

- https://github.com/telegramdesktop/tdesktop/blob/v7.2.8/Telegram/SourceFiles/support/support_helper.cpp#L673-L751 (CNA: VulnCheck; technical-description)

- https://github.com/telegramdesktop/tdesktop (CNA: VulnCheck; product)

- https://www.vulncheck.com/advisories/telegram-desktop-before-7.2.9-ipc-record-injection-file-exfiltration-via-interpret-scheme (CNA: VulnCheck; third-party-advisory)

- https://lists.debian.org/debian-lts-announce/2026/11/msg00013.html (ADP: CVE)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2026-107181; retrieved 2026-11-09; source updated 2026-11-09

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-107181; retrieved 2026-11-09; source updated Not reported

Revision: b4027fb7e4ed08fd1a0789373804b410c38c7862b567143e92a33d4fdeb9f3e9

Canonical: https://y2.dev/cve/CVE-2026-107181

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.