TeleMessage TM SGNL Hidden Functionality Vulnerability
TeleMessage — archiving backend
The TeleMessage archiving backend through 2025-05-05 holds cleartext copies of messages from TM SGNL (aka Archive Signal) app users, which is different functionality than described in the TeleMessage "End-to-End encryption from the mobile phone through to the corporate archive" documentation, as exploited in the wild in May 2025.
1.9
0.4%
Vector breakdown
- Attack vector
- Local
- Attack complexity
- High
- Privileges required
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
- Published
- May 8, 2025
- Modified
- Oct 21, 2025
- Added to KEV
- May 12, 2025
- Federal patch due
- Jun 2, 2025
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.
Weakness classification
Proof-of-concept & exploitation references
Weaponization
Public repositories whose name or description references CVE-2025-47729, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
No public GitHub repositories referencing CVE-2025-47729 were found at last check. Absence here is not proof no exploit exists - see the references below for vendor advisories and write-ups.
References
Frequently asked questions
What is CVE-2025-47729?
The TeleMessage archiving backend through 2025-05-05 holds cleartext copies of messages from TM SGNL (aka Archive Signal) app users, which is different functionality than described in the TeleMessage "End-to-End encryption from the mobile phone through to the corporate archive" documentation, as exploited in the wild in May 2025.
How severe is CVE-2025-47729?
CVE-2025-47729 has a CVSS base score of 1.9 out of 10 (CVSS 3.1).
Is CVE-2025-47729 actively exploited in the wild?
Yes. CVE-2025-47729 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added May 12, 2025, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2025-47729?
0.4% - meaning FIRST.org's EPSS model estimates a 0.4% probability this vulnerability will be exploited in the wild within 30 days (33% percentile among all scored CVEs).
What type of vulnerability is CVE-2025-47729?
CVE-2025-47729 is classified under CWE-912 (CWE-912 Hidden Functionality).
Cross-checked against
Impactr finds and proves whether CVE-2025-47729 - or flaws like it - are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.
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