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No exploitation reportedAwaiting NVD analysis

CVE-2026-28325

No exploitation reported by the sources we read.

  • Published2026-09-22
  • WeaknessCWE-502

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

SolarWinds Observability Self-Hosted was found to be affected by an unauthenticated remote code execution vulnerability stemming from deserialization of untrusted data when the application is configured to use a specific communication mode.

Timeline

dates in UTC
  1. 2026-09-2220:17CVE publishedNVD

Versions per branch

Products declared by the CNA

As SolarWinds, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • SolarWinds Observability Self-Hostedother versions: affected
    Affected
    • < 2026.2.3fixed in 2026.2.3custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-09-22

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-28325 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2026-09-22
Last Modified
2026-09-24
NVD status
Awaiting Analysis
GitHub Advisory
GHSA-r476-9mp7-phxc

Frequently asked questions

What is CVE-2026-28325?

SolarWinds Observability Self-Hosted was found to be affected by an unauthenticated remote code execution vulnerability stemming from deserialization of untrusted data when the application is configured to use a specific communication mode.

Is CVE-2026-28325 actively exploited?

Active exploitation of CVE-2026-28325 has not been confirmed. Its EPSS score was 1.5% on 2026-11-05, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-28325?

CVE-2026-28325 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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