CVE-2026-2265 Replicator 1.0.5 is vulnerable to Remote Code Execution through Insecure Deserialization
Unauthenticated attackers can achieve remote code execution by sending malicious serialized data to applications using the Replicator npm library.
- 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-2026-2265?
CVE-2026-2265 is a medium-severity unsafe deserialization vulnerability in Replicator, published on 1 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An unauthenticated remote code execution (RCE) vulnerability exists in applications that use the Replicator node package manager (npm) version 1.0.5 to deserialize untrusted user input and execute the resulting object.
Which versions are affected by CVE-2026-2265?
2 open source packages ship an affected version, including replicator.
| Package | Affected | Fixed in |
|---|---|---|
replicator npm | All versions to 1.0.5 | None |
replicator npm | All versions to 1.0.5 | None |
How do I fix CVE-2026-2265?
No fix has been published for CVE-2026-2265 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-2265 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2265 exists.
Sources
Also known as GHSA-2gmp-34j9-fqjm.