CVE-2026-27871 TL280

Low 2.9 Published 14 Aug 2026 Updated 14 Aug 2026

A cryptographic weakness in Johnson Controls TL280 devices allows attackers to perform cryptanalytic attacks, potentially compromising data confidentiality.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-27871?

CVE-2026-27871 is a low-severity vulnerability in Johnson Controls TL280, published on 14 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cwe-327 Use of a Broken or Risky Cryptographic Algorithm vulnerability in Johnson Controls TL280 allows Cryptanalytic Attack.

This issue affects TL280: before 5.63.

Weakness: CWE-327

Which versions are affected by CVE-2026-27871?

How do I fix CVE-2026-27871?

No fix has been published for CVE-2026-27871 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-27871 being exploited?

There is no known exploitation of CVE-2026-27871 in the wild and no public exploit code.

Sources

Also known as GHSA-jpq8-c4g8-9mq5.