Path Traversal in Linuxfoundation Nats-server

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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.023 (81.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
  • cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
  • cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2022-26652?
CVE-2022-26652 is a medium-severity vulnerability in Linuxfoundation Nats-server, classified under Path Traversal. CVSS score: 6.5/10. Published 2022-03-10.
How severe is CVE-2022-26652?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2022-26652 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.