# CVE-2026-28326 — SolarWinds Access Rights Manager

> As of 2026-09-18, CVE-2026-28326 is a HIGH-severity vulnerability in SolarWinds Access Rights Manager, CVSS v3.1 8.8, EPSS 0.6% (51.0th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-28326, most recently “SolarWinds Access Rights Manager Hard-Coded Cryptographic Key (CVE-2026-28326) Enables Unauthenticated RCE”.

**Last updated:** 2026-09-18

## What is CVE-2026-28326?

SolarWinds Access Rights Manager was reported to be affected by an unauthenticated remote code execution vulnerability. The issue stems from a hardcoded static key.

The record classifies CVE-2026-28326 under weakness class [CWE-321](https://intel.threadlinqs.com/cwe/CWE-321). Its CVSS v3 base vector states that the flaw is reachable from an adjacent network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 18 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 8.8 — HIGH (`CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **EPSS (FIRST):** 0.6% probability of exploitation in the next 30 days, higher than 51.0% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 8.4/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-17, last modified 2026-09-18

## Is CVE-2026-28326 being exploited?

Weaponised exploit code for CVE-2026-28326 is publicly available. 1 public proof-of-concept repository is tracked for this identifier.

- [BishopFox/CVE-2026-28326-check](https://github.com/BishopFox/CVE-2026-28326-check) (github)

## Affected products and versions

- [SolarWinds](https://intel.threadlinqs.com/vendors/solarwinds): Access Rights Manager

## How to fix CVE-2026-28326

No vendor patch reference has been recorded for CVE-2026-28326 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-28326

1 tracked threat in the Threadlinqs corpus references CVE-2026-28326, either in the campaign’s CVE list or as an indicator on the campaign record.

- [SolarWinds Access Rights Manager Hard-Coded Cryptographic Key (CVE-2026-28326) Enables Unauthenticated RCE](https://intel.threadlinqs.com/threat/TL-2026-2585) — CRITICAL · 2026-09-19

## Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on 2026-09-27. This product uses the NVD API but is not endorsed or certified by the NVD.

**Vendor advisory and patch**

- [solarwinds.com — vendor advisory](https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28326)
- [documentation.solarwinds.com — release notes](https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/arm_2026-2-1_release_notes.htm)

**Other references**

- [documentation.solarwinds.com — x secure configuration guide](https://documentation.solarwinds.com/en/success_center/arm/content/secure-your-arm-deployment.htm)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-28326
Full detection coverage and IOCs for threats exploiting CVE-2026-28326 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp