How severe is CVE-2022-26494?

CVE-2022-26494 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-26494 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26494?

CVE-2022-26494 affects Primekey Signserver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-26494?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-26494 published?

CVE-2022-26494 was published on 2022-03-21 and last updated on 2026-06-17.

CVE-2022-26494

CVE-2022-26494 is a medium-severity vulnerability in Primekey Signserver with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Primekey Signserver
Published: 2022-03-21
Last modified: 2026-06-17

Description

An XSS was identified in the Admin Web interface of PrimeKey SignServer before 5.8.1. JavaScript code must be used in a worker name before a Generate CSR request. Only an administrator can update a worker name.

Frequently asked questions

What is CVE-2022-26494?: An XSS was identified in the Admin Web interface of PrimeKey SignServer before 5.8.1. JavaScript code must be used in a worker name before a Generate CSR request. Only an administrator can update a worker name.
How severe is CVE-2022-26494?: CVE-2022-26494 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-26494 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26494?: CVE-2022-26494 affects Primekey Signserver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-26494?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-26494 published?: CVE-2022-26494 was published on 2022-03-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:primekey:signserver:*:*:*:*:*:*:*:*

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