Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV N L N L N L N N 2.1 .0041 33.4 —
AFFECTED Product Versions Fixed grimmory 3.3.0 – —
TIMELINE Sep 19 Reserved by VulDB Sep 19 Published (CNA: VulDB) Sep 21 EXPLOIT PUBLISHED — CVE-2026-93955 (grimmory-tools grimmory). Public exploit reference added.
A vulnerability was detected in grimmory-tools grimmory up to 3.3.3/3.4.1. Affected by this vulnerability is the function streamFileToResponse of the file backend/src/main/java/org/booklore/controller/KoboController.java of the component Download Endpoint. Performing a manipulation of the argument bookId results in authorization bypass. The attack may be initiated remotely. The exploit is now public and may be used. Issue #2431 is closed as completed, but its only comment states that the issue “has already been reported elsewhere.” No fixing commit or pull request is identified there.
| Date | Event | Detail |
|---|---|---|
| September 19, 2026 | Reserved | Reserved by VulDB |
| September 19, 2026 | Published | Published (CNA: VulDB) |
| September 21, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-93955 (grimmory-tools grimmory). Public exploit reference added. |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| grimmory-tools | grimmory | — | 3.3.0 | — |
Authoritative record: CVE-2026-93955 at cve.org
Vendors: grimmory-tools
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-93955 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
