CVE-2022-26652

MEDIUMNVD 6.56.5—

6.5

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.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 71.9%
KEV: Not listed

Published

March 10, 2022

Last Modified

March 30, 2026

References (8)

cve@mitrehttp://www.openwall.com/lists/oss-security/2022/03/10/1
cve@mitrehttps://advisories.nats.io/CVE/CVE-2022-26652.txt
cve@mitrehttps://github.com/nats-io/nats-server/releases
cve@mitrehttps://github.com/nats-io/nats-server/security/advisories/GHSA-6h3m-36w8-hv68
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2022/03/10/1
af854a3a-2127-422b-91ae-364da2661108https://advisories.nats.io/CVE/CVE-2022-26652.txt
af854a3a-2127-422b-91ae-364da2661108https://github.com/nats-io/nats-server/releases
af854a3a-2127-422b-91ae-364da2661108https://github.com/nats-io/nats-server/security/advisories/GHSA-6h3m-36w8-hv68

Affected Packages

(3 across 1 ecosystem)

Go(3)

Package	Vulnerable range	Fixed in	Dependents
github.com/nats-io/nats-server	—	—	—
github.com/nats-io/nats-server/v2	—	2.7.4	—
github.com/nats-io/nats-streaming-server	—	0.24.3	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-22Path Traversal

Data Freshness Timeline

(refreshed 6× in last 7d / 6× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 01:50 UTCEG score recompute

Frequently asked(5)

What is CVE-2022-26652?

CVE-2022-26652 is a medium vulnerability published on March 10, 2022. 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.

When was CVE-2022-26652 disclosed?

CVE-2022-26652 was first published in the National Vulnerability Database on March 10, 2022, with the most recent update on March 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-26652 actively exploited?

CVE-2022-26652 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 71.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-26652?

CVE-2022-26652 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2022-26652?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-26652, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-26652

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