Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-86321
java-json-tools jackson-coreutils URL Validation JsonLoader.java JsonLoader.fromURL server-side request forgery
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N N N N N L 5.5 .0066 50.0 —
AFFECTED
Product Versions Fixed
jackson-coreutils 2.0 – —
TIMELINE
Sep 7 Reserved by VulDB
Sep 7 Published (CNA: VulDB)
Sep 8 EXPLOIT PUBLISHED — CVE-2026-86321 (java-json-tools jackson-coreutils). Public exploit reference added.
Description
A vulnerability was found in java-json-tools jackson-coreutils 2.0. Affected by this issue is the function JsonLoader.fromURL of the file src/main/java/com/github/fge/jackson/JsonLoader.java of the component URL Validation. The manipulation results in server-side request forgery. It is possible to launch the attack remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| September 7, 2026 | Reserved | Reserved by VulDB |
| September 7, 2026 | Published | Published (CNA: VulDB) |
| September 8, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-86321 (java-json-tools jackson-coreutils). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| java-json-tools | jackson-coreutils | — | 2.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-86321 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 Sunday, October 4, 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.