CVE-2026-124509 PUBLISHED

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.

• lucasg2g (VulDB User) reporter

• VDB-432813 | floci-io Floci S3 Destination Configuration DeliveryStreamDescription.java S3Destination.bucketName path traversal
• VDB-432813 | CTI Indicators (IOB, IOC, TTP, IOA)
• CVE-2026-124509 | CVE Analysis and Report
• Submit #1035485 | floci-io Floci (local AWS emulator) 2.0.1 (the released tag `2.0.1` carries the same `DeliveryStreamDescription`, `FirehoseService`, `S3Service` and `S3CfnProvisioner` code; reviewed at commit a5ab1672f9305299e3b7a32d67ce12b1d89f1199, the 2.0.1 head) Path
• https://github.com/floci-io/floci/issues/4281
• https://github.com/floci-io/floci/pull/4289
• https://github.com/floci-io/floci/commit/b986b95074ef524019be7af51e1df172e48faa4b
• https://github.com/floci-io/floci/releases/tag/2.2.0
• https://github.com/floci-io/floci/

• Path Traversal CWE