Is CVE-2022-26652 in the CISA KEV catalog?

No. CVE-2022-26652 is not currently on the CISA Known Exploited Vulnerabilities list.

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

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

What is the EPSS score for CVE-2022-26652?

CVE-2022-26652 has an EPSS score of 2.25% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-26652?

Upgrade nats-server to 2.7.4 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2022-26652

MEDIUMEPSS 81th pctl

6.5

CVSS v3

NVD

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.

CWE-22Path Traversal

How to fix

Remediation Available

nats-serverNVD

Affected:>= 2.2.0, < 2.7.4Fixed in:2.7.4CVE-2022-26652derived from NVD

nats serverNVD

Affected:>= 2.2.0, < 2.7.4Fixed in:2.7.4CVE-2022-26652derived from NVD

nats streaming serverNVD

Affected:>= 0.15.0, < 0.24.3Fixed in:0.24.3CVE-2022-26652derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

2.25%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Vendor Advisory1

advisories.nats.io

Third-Party Advisory3

Related Vulnerabilities

Other CWE-22 (Path Traversal) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-23897	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-32315	High	8.6	100%	KEV	Fix
CVE-2022-29464	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-26086	Medium	5.3	100%	KEV	Fix
CVE-2021-22005	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-5902	Critical	9.8	100%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-03-30.