How severe is CVE-2026-22601?

CVE-2026-22601 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-22601 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-22601?

CVE-2026-22601 affects Openproject. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-22601?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-22601 have an EU (EUVD) identifier?

Yes. CVE-2026-22601 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1886.

When was CVE-2026-22601 published?

CVE-2026-22601 was published on 2026-01-10 and last updated on 2026-06-17.

CVE-2026-22601

CVE-2026-22601 is a high-severity vulnerability in Openproject with a CVSS 3.x base score of 7.2. 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-77.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v4: 8.6
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1886
Weakness: CWE-77
Affected product: Openproject
Published: 2026-01-10
Last modified: 2026-06-17

Description

OpenProject is an open-source, web-based project management software. For OpenProject version 16.6.1 and below, a registered administrator can execute arbitrary command by configuring sendmail binary path and sending a test email. This issue has been patched in version 16.6.2.

Frequently asked questions

What is CVE-2026-22601?: OpenProject is an open-source, web-based project management software. For OpenProject version 16.6.1 and below, a registered administrator can execute arbitrary command by configuring sendmail binary path and sending a test email. This issue has been patched in version 16.6.2.
How severe is CVE-2026-22601?: CVE-2026-22601 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-22601 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-22601?: CVE-2026-22601 affects Openproject. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-22601?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-22601 have an EU (EUVD) identifier?: Yes. CVE-2026-22601 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1886.
When was CVE-2026-22601 published?: CVE-2026-22601 was published on 2026-01-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openproject:openproject:*:*:*:*:*:*:*:*

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