CVE-2026-28323

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-30. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, secondary
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: —CVSS: 9.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
59(Track)
EG Risk 59/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
—
EPSS %ILE
—
KEV
Not listed

Published

July 30, 2026

Last Modified

July 31, 2026

Advisory Details (3)

Auto-updated Jul 31, 2026
No patch confirmed yet.
generic

SolarWinds Trust Center Security Advisories | CVE-2026-28323

https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28323
generic

WHD 2026.2.1 release notes

https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-2-1_release_notes.htm
generic

Secure your Web Help Desk deployment

https://documentation.solarwinds.com/en/success_center/whd/content/helpdesksecureconfiguration.htm

Vendor Advisories for CVE-2026-28323(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 15× in last 7d / 15× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-31 12:45 UTCGHSA enrichment
  2. 2026-07-31 08:31 UTCGHSA enrichment
  3. 2026-07-31 04:18 UTCEG score recompute
  4. 2026-07-31 04:18 UTCGHSA enrichment
  5. 2026-07-31 04:07 UTCEG score recompute
  6. 2026-07-31 04:07 UTCGHSA enrichment
  7. 2026-07-31 03:52 UTCGHSA enrichment
  8. 2026-07-30 23:42 UTCGHSA enrichment
  9. 2026-07-30 19:31 UTCEG score recompute
  10. 2026-07-30 19:31 UTCGHSA enrichment
  11. 2026-07-30 18:57 UTCEG score recompute
  12. 2026-07-30 18:57 UTCGHSA enrichment
  13. 2026-07-30 16:27 UTCEG score recompute
  14. 2026-07-30 16:11 UTCEG score recompute
  15. 2026-07-30 16:11 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2026-28323?
CVE-2026-28323 is a critical vulnerability published on July 30, 2026. 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.
When was CVE-2026-28323 disclosed?
CVE-2026-28323 was first published in the National Vulnerability Database on July 30, 2026, with the most recent update on July 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-28323?
CVE-2026-28323 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-28323?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-28323, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-28323

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