---
id: "CVE-2025-47729"
kind: "vulnerability"
aliases: ["CVE-2025-47729"]
title: "telemessage text message archiver: The TeleMessage archiving backend through 2025-05-05 holds cleartext copies of messages from TM SGNL (aka Archive\u2026"
severity: "medium"
cvss: 4.9
epss: null
exploited: true
status: "open"
category: "vendor"
products: [{"name": "TeleMessage TM SGNL", "fixed": [], "affected": "", "ecosystem": "vendor"}, {"name": "telemessage text message archiver", "fixed": [], "affected": "<= 2025-05-05", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["archiving", "exploited", "mobile", "telemessage", "tm-sgnl", "vendor"]
not_affected_if: ["no-tm-sgnl-usage"]
published_at: "2025-05-08T14:15:26+00:00"
first_seen_at: "2026-10-23T19:11:51+00:00"
updated_at: "2026-10-23T22:29:05+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-47729", "first_seen_at": "2026-10-23T19:11:51+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-47729", "first_seen_at": "2026-10-23T22:29:05+00:00"}]
---

# telemessage text message archiver: The TeleMessage archiving backend through 2025-05-05 holds cleartext copies of messages from TM SGNL (aka Archive…

TeleMessage TM SGNL is a hosted archiving service for Signal-style messages, and its archiving backend stores cleartext copies of users' messages. An attacker who gets into that backend can read message content that users expected to be end-to-end encrypted.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:TeleMessage TM SGNL affected ? fixed ?
- vendor:telemessage text message archiver affected <= 2025-05-05 fixed ?

## How to check

Check whether your organization uses TeleMessage TM SGNL for message archiving or on any device that runs the TM SGNL app.

## Fix

Apply the mitigations from the vendor, or discontinue use of TM SGNL if mitigations are unavailable, per the CISA required action.

## Timeline

- 2026-10-23T19:11:51+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-47729
- 2026-10-23T22:29:05+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2025-47729

## From the sources

TeleMessage TM SGNL contains a hidden functionality vulnerability in which the archiving backend holds cleartext copies of messages from TM SGNL application users.

CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_