# CVE-2026-28323: SolarWinds Web Help Desk SAML Authentication Bypass Vulnerability


- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Fix available:** No
- **Published:** 30 Jul 2026
- **Updated:** 31 Jul 2026
- **Also known as:** GHSA-f77h-x2x4-r498

## What is CVE-2026-28323?

CVE-2026-28323 is a critical vulnerability in SolarWinds Web Help Desk, published on 30 Jul 2026. 

### Official 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.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2026-28323?

It affects 1 product.


Products: Solarwinds Web Help Desk.

## How do I fix CVE-2026-28323?

No fix has been published for CVE-2026-28323 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-28323 being exploited?

There is no known exploitation of CVE-2026-28323 in the wild and no public exploit code.

## Other vulnerabilities in SolarWinds Web Help Desk

- [CVE-2025-40551](https://insights.sbomify.com/CVE-2025-40551/): SolarWinds Web Help Desk Deserialization of Untrusted Data (critical 9.8, exploited in the wild)
- [CVE-2025-26399](https://insights.sbomify.com/CVE-2025-26399/): SolarWinds Web Help Desk Deserialization of Untrusted Data (critical 9.8, exploited in the wild)
- [CVE-2024-28986](https://insights.sbomify.com/CVE-2024-28986/): SolarWinds Web Help Desk Deserialization of Untrusted Data (critical 9.8, exploited in the wild)
- [CVE-2024-28987](https://insights.sbomify.com/CVE-2024-28987/): SolarWinds Web Help Desk Hardcoded Credential (critical 9.1, exploited in the wild)
- [CVE-2025-40536](https://insights.sbomify.com/CVE-2025-40536/): SolarWinds Web Help Desk Security Control Bypass (high 8.1, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-28323 and fix it if it is affected.

What it is: CVE-2026-28323 is a critical vulnerability in SolarWinds Web Help Desk, published on 30 Jul 2026. 
Exploitation: There is no known exploitation of CVE-2026-28323 in the wild and no public exploit code.

Affected product: SolarWinds Web Help Desk. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-28323/ (Markdown: https://insights.sbomify.com/CVE-2026-28323/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-28323
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-28323
- OSV: https://osv.dev/vulnerability/CVE-2026-28323

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-28323/
Summaries are generated and may contain mistakes; the official description above is the record.