How severe is CVE-2025-26400?

CVE-2025-26400 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-26400 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-26400?

CVE-2025-26400 affects Solarwinds Web Help Desk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-26400?

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

Does CVE-2025-26400 have an EU (EUVD) identifier?

Yes. CVE-2025-26400 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22979.

When was CVE-2025-26400 published?

CVE-2025-26400 was published on 2025-07-29 and last updated on 2026-06-17.

CVE-2025-26400

CVE-2025-26400 is a medium-severity vulnerability in Solarwinds Web Help Desk with a CVSS 3.x base score of 5.3. 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-611.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-22979
Weakness: CWE-611
Affected product: Solarwinds Web Help Desk
Published: 2025-07-29
Last modified: 2026-06-17

Description

SolarWinds Web Help Desk was reported to be affected by an XML External Entity Injection (XXE) vulnerability that could lead to information disclosure. A valid, low-privilege access is required unless the attacker had access to the local server to modify configuration files.

Frequently asked questions

What is CVE-2025-26400?: SolarWinds Web Help Desk was reported to be affected by an XML External Entity Injection (XXE) vulnerability that could lead to information disclosure. A valid, low-privilege access is required unless the attacker had access to the local server to modify configuration files.
How severe is CVE-2025-26400?: CVE-2025-26400 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-26400 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-26400?: CVE-2025-26400 affects Solarwinds Web Help Desk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-26400?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-26400 have an EU (EUVD) identifier?: Yes. CVE-2025-26400 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22979.
When was CVE-2025-26400 published?: CVE-2025-26400 was published on 2025-07-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:solarwinds:web_help_desk:*:*:*:*:*:*:*:*

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