# CVE-2026-124508: floci-io Floci path traversal in artifact handler

Source: https://junglewise.ai/threats/cve-2026-124508-a-vulnerability-was-determined-in-floci-io-floci-up-to-2-4-0  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-09. Updated: 2026-11-09  
License: CC BY 4.0 with a link back

CVE-2026-124508 · Severity: medium · CVSS 5.3 · Published 2026-11-09

Floci is an AWS local emulator for development and testing. A path traversal vulnerability in its artifact handler allows attackers to write files outside the intended directory by manipulating configuration parameters, potentially enabling unauthorized file system access or code execution on systems running Floci.

Technologies: [Floci-Io Floci](https://junglewise.ai/threats/technologies/floci). Vendors: [Floci-Io](https://junglewise.ai/threats/vendors/floci-io).

## Quick answers

**Is CVE-2026-124508 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-124508 being exploited in the wild.

**How severe is CVE-2026-124508?** Medium severity, with a CVSS score of 5.3, published 9 November 2026.

**Which products and versions are affected?** Floci-Io Floci up to 2.4.0.

**Is there a fix for CVE-2026-124508?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-124508 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-124508?** Check whether you run Floci-Io Floci at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability exists in BuildspecParser.parseArtifacts within the CodeBuildJsonHandler component, where the buildspecOverride.artifacts.base-directory argument is not properly validated, allowing path traversal sequences. The flaw can be exploited remotely by an attacker who can supply a malicious buildspec configuration. No fix is known as the vendor did not respond to early disclosure.

## Affected products

- floci-io Floci up to 2.4.0

## Timeline

- 2026-11-09: disclosed: Publicly disclosed; vendor was contacted early but did not respond

## References

- [https://github.com/Floci-io/Floci/](https://github.com/Floci-io/Floci/)
- [https://github.com/Floci-io/Floci/security/advisories/GHSA-4hjc-ww34-35c4](https://github.com/Floci-io/Floci/security/advisories/GHSA-4hjc-ww34-35c4)

## Related threats

- [floci-io Floci path traversal in S3 bucket name validation](https://junglewise.ai/threats/cve-2026-124509-a-vulnerability-was-identified-in-floci-io-floci-up-to-2-1-0-the)
- [Floci VtlTemplateEngine code injection](https://junglewise.ai/threats/cve-2026-108598-floci-1-1-0-before-2-2-0-contains-a-code-injection-vulnerability)
