How severe is CVE-2025-26847?

CVE-2025-26847 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-26847 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-26847?

CVE-2025-26847 primarily affects Znuny. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-26847?

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-2025-26847 have an EU (EUVD) identifier?

Yes. CVE-2025-26847 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14022.

When was CVE-2025-26847 published?

CVE-2025-26847 was published on 2025-05-08 and last updated on 2026-06-17.

CVE-2025-26847

CVE-2025-26847 is a high-severity vulnerability in Znuny with a CVSS 3.x base score of 7.5. 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-521.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-14022
Weakness: CWE-521
Affected product: Znuny
Published: 2025-05-08
Last modified: 2026-06-17

Description

An issue was discovered in Znuny before 7.1.5. When generating a support bundle, not all passwords are masked.

Frequently asked questions

What is CVE-2025-26847?: An issue was discovered in Znuny before 7.1.5. When generating a support bundle, not all passwords are masked.
How severe is CVE-2025-26847?: CVE-2025-26847 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-26847 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-26847?: CVE-2025-26847 primarily affects Znuny. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-26847?: 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-2025-26847 have an EU (EUVD) identifier?: Yes. CVE-2025-26847 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14022.
When was CVE-2025-26847 published?: CVE-2025-26847 was published on 2025-05-08 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:znuny:znuny:*:*:*:*:lts:*:*:*
cpe:2.3:a:znuny:znuny:*:*:*:*:-:*:*:*

More vulnerabilities in Znuny

CVE-2025-26846 — Critical (CVSS 9.8): An issue was discovered in Znuny before 7.1.4. Permissions are not checked properly when using the Generic Interface to…
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CVE-2024-32493 — High (CVSS 8.8): An issue was discovered in Znuny LTS 6.5.1 through 6.5.7 and Znuny 7.0.1 through 7.0.16 where a logged-in agent is able…
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Browse all CWE-521 (Weak Password Requirements) vulnerabilities →