How severe is CVE-2026-28323?

CVE-2026-28323 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-28323 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-2026-28323?

CVE-2026-28323 affects Solarwinds Web Help Desk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28323?

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

When was CVE-2026-28323 published?

CVE-2026-28323 was published on 2026-07-30 and last updated on 2026-08-17.

CVE-2026-28323

CVE-2026-28323 is a critical-severity vulnerability in Solarwinds Web Help Desk with a CVSS 3.x base score of 9.8. 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Solarwinds Web Help Desk
Published: 2026-07-30
Last modified: 2026-08-17

Description

SolarWinds Web Help Desk is found to be affected by a SAML authentication bypass vulnerability. This requires the SAML 2.0 authentication method to be enabled.

Frequently asked questions

What is CVE-2026-28323?: SolarWinds Web Help Desk is found to be affected by a SAML authentication bypass vulnerability. This requires the SAML 2.0 authentication method to be enabled.
How severe is CVE-2026-28323?: CVE-2026-28323 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-28323 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-2026-28323?: CVE-2026-28323 affects Solarwinds Web Help Desk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28323?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-28323 published?: CVE-2026-28323 was published on 2026-07-30 and last updated on 2026-08-17.

References

Affected products (1)

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

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