CVE-2026-2265 json
Replicator 1.0.5 is vulnerable to Remote Code Execution through Insecure Deserialization
published 7mo ago modified 4mo ago also GHSA-2gmp-34j9-fqjm , EUVD-2026-17958
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 34%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- github.com/inikulin/replicator#19 pull request
Is CVE-2026-2265 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 7mo ago
Exploit prediction
0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | replicator | <=1.0.5 |
no fix listed |
Affected products
- Replicator Replicator
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
github.com
/inikulin/replicator/pull/19
web
-
github.com
/inikulin/replicator
package
- morielharush.github.io /2026/03/31/cve-2026-2265-replicator-deserialization-of-untrusted-data/
-
nvd.nist.gov
/vuln/detail/CVE-2026-2265
advisory
-
morielharush.github.io
/2026/03/31/cve-2026-2265-replicator-deserialization-of-untrusted-data
web
Sources
- CVE List CVE-2026-2265
- GitHub Advisory GHSA-2gmp-34j9-fqjm
- NVD CVE-2026-2265
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