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.
CVE-2022-26652
This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit probability: 0.7%, top 28% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.5
- EG Score
- 6.5(medium)
- EPSS
- 81.3%
- 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.
Data Freshness Timeline
(refreshed 7× in last 7d / 40× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-12 05:44 UTCEPSS rescore
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- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 01:50 UTCEG score recompute
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Frequently asked(5)
What is CVE-2022-26652?
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