CVE-2022-26652

Name: CVE-2022-26652
Creator: NVD / NIST
Published: 2022-03-10T17:47:51.47+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 2.25%

Last modified Jun 17, 2026

CVE-2022-26652 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. NATS nats-server before 2.7.4 allows Directory Traversal (with write access) via an element in a ZIP archive for JetStream streams. nats-streaming-server before 0.24.3 is also affected.. EPSS estimates a 2.25% chance of exploitation in the next 30 days.

Description

NATS nats-server before 2.7.4 allows Directory Traversal (with write access) via an element in a ZIP archive for JetStream streams. nats-streaming-server before 0.24.3 is also affected.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

2.25%

80.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Linuxfoundation	Nats-Server	>= 2.2.0, < 2.7.4
Nats	Nats Streaming Server	>= 0.15.0, < 0.24.3

References

http://www.openwall.com/lists/oss-security/2022/03/10/1Mailing List, Third Party Advisory
https://advisories.nats.io/CVE/CVE-2022-26652.txtVendor Advisory
https://github.com/nats-io/nats-server/releasesRelease Notes, Third Party Advisory
https://github.com/nats-io/nats-server/security/advisories/GHSA-6h3m-36w8-hv68Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/03/10/1Mailing List, Third Party Advisory
https://advisories.nats.io/CVE/CVE-2022-26652.txtVendor Advisory
https://github.com/nats-io/nats-server/releasesRelease Notes, Third Party Advisory
https://github.com/nats-io/nats-server/security/advisories/GHSA-6h3m-36w8-hv68Third Party Advisory

Timeline

Published: Mar 10, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-26652?

NATS nats-server before 2.7.4 allows Directory Traversal (with write access) via an element in a ZIP archive for JetStream streams. nats-streaming-server before 0.24.3 is also affected.

How severe is CVE-2022-26652?

CVE-2022-26652 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 2.25% probability of exploitation in the next 30 days.

How do I fix CVE-2022-26652?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-26652?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST