# CVE-2026-124509: floci-io Floci S3 Destination Configuration DeliveryStreamDescription.java S3Destination.bucketName path traversal

Status: published. Published: 2026-11-09. Updated: 2026-11-09.

A vulnerability was identified in floci-io Floci up to 2.1.0. The affected element is the function S3Destination.bucketName of the file services/firehose/model/DeliveryStreamDescription.java of the component S3 Destination Configuration Handler. Such manipulation of the argument BucketARN leads to path traversal. The attack can be launched remotely. The exploit is publicly available and might be used. Upgrading to version 2.2.0 is sufficient to fix this issue. The name of the patch is b986b95074ef524019be7af51e1df172e48faa4b. You should upgrade the affected component.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/floci-io/floci/pull/4289
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/floci-io/floci/commit/b986b95074ef524019be7af51e1df172e48faa4b
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/floci-io/floci/releases/tag/2.2.0

## Affected products and versions

- floci-io / Floci: 2.0 (affected); 2.1.0 (affected); 2.2.0 (unaffected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 6.9 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P; source: CNA: VulDB

- CVSS 3.1: 7.3 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C; source: CNA: VulDB

- CVSS 3.0: 7.3 (high); CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C; source: CNA: VulDB

- CVSS 2.0: 7.5 (high); AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-22

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://vuldb.com/vuln/432813 (CNA: VulDB; vdb-entry, technical-description)

- https://vuldb.com/vuln/432813/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-124509 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1035485 (CNA: VulDB; third-party-advisory)

- https://github.com/floci-io/floci/issues/4281 (CNA: VulDB; issue-tracking)

- https://github.com/floci-io/floci/pull/4289 (CNA: VulDB; issue-tracking, patch)

- https://github.com/floci-io/floci/commit/b986b95074ef524019be7af51e1df172e48faa4b (CNA: VulDB; patch)

- https://github.com/floci-io/floci/releases/tag/2.2.0 (CNA: VulDB; patch)

- https://github.com/floci-io/floci/ (CNA: VulDB; product)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-124509; retrieved 2026-11-09; source updated 2026-11-09

Revision: d1c178e30d5d930ba84e11af43d91f49b57aeb6735bc488bae8a6b180b5b1d1b

Canonical: https://y2.dev/cve/CVE-2026-124509

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