CVE-2026-111105 Telegram rlottie Numeric Truncation Remote Code Execution Vulnerability
Remote attackers can execute arbitrary code via numeric truncation in the rlottie library when users open malicious files or visit malicious pages.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-111105?
CVE-2026-111105 is a high-severity vulnerability in Telegram, published on 15 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Telegram rlottie Numeric Truncation Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Telegram. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the rlottie library. The issue results from the lack of proper validation of user-supplied data, which can result in a write before the start of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-30207.
Weakness: CWE-197
Which versions are affected by CVE-2026-111105?
How do I fix CVE-2026-111105?
No fix has been published for CVE-2026-111105 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-111105 being exploited?
There is no known exploitation of CVE-2026-111105 in the wild and no public exploit code.
Sources
Also known as GHSA-6r3v-wp87-h2gv, UBUNTU-CVE-2026-111105.