Vulnerabilities

Vulnerability · CVE-2026-28328

SolarWinds security advisory (AV26-1068)

Published Oct 20, 2026 · catalog updated Oct 21, 2026 · SolarWinds security advisory (AV26-1068)

Last checked Oct 31, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-28328. EPSS is 0.50%. Act only if a listed version of SolarWinds security advisory (AV26-1068) is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (SolarWinds security advisory (AV26-1068)).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.50%
Remediation
Advisory link
Affected products
See sources for product scope

Serial Number: AV26-1068 Date: October 21, 2026 As of October 20, 2026, SolarWinds is affected by vulnerabilities in the following product: SolarWinds Observability Self-Hosted Prior to 2026.4 The Cyber Centre encourages users and administrators to review the provided web links and apply any necessary updates as they become available. SolarWinds Observability Self-Hosted broken authorization schema (CVE-2026-28328) SolarWinds Security Vulnerabilities

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-28328

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-28328. EPSS is 0.50%. Act only if a listed version of SolarWinds security advisory (AV26-1068) is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-863: Incorrect Authorization. EPSS 0.50%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 20, 2026 · NIST NVD

    Detected

    SolarWinds Observability Self-Hosted was found to be affected by a broken authorization schema that can allow low-privileged users to access and modify information beyond their assigned permissions.

  2. Oct 20, 2026 · NIST NVD

    Updated

    SolarWinds Observability Self-Hosted was found to be affected by a broken authorization schema that can allow low-privileged users to access and modify information beyond their assigned permissions.

  3. Oct 21, 2026 · NIST NVD

    Updated

    SolarWinds Observability Self-Hosted was found to be affected by a broken authorization schema that can allow low-privileged users to access and modify information beyond their assigned permissions.

Sources

  • Canadian Centre for Cyber SecurityGovernment advisoryCVE-2026-28328

    Serial Number: AV26-1068 Date: October 21, 2026 As of October 20, 2026, SolarWinds is affected by vulnerabilities in the following product: SolarWinds Observability Self-Hosted Prior to 2026.4 The Cyber Centre encourages users and administrators to review the provided web links a

    cyber.gc.ca
  • CVE.orgVulnerability recordCVE-2026-28328

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-28328

    30-day exploitation probability 0.50%

    first.org
  • NIST NVDVulnerability recordCVE-2026-28328

    SolarWinds Observability Self-Hosted was found to be affected by a broken authorization schema that can allow low-privileged users to access and modify information beyond their assigned permissions.

    nvd.nist.gov
  • urlscan.ioThreat intelligenceCVE-2026-28328
    urlscan.io

References

Freshness

Last verified in this catalog Oct 31, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 31, 2026
  • urlscan.ioOct 31, 2026
  • Canadian Centre for Cyber SecurityOct 26, 2026
  • CVE.orgOct 21, 2026
  • NIST NVDOct 21, 2026