CVE-2026-86321java-json-tools jackson-coreutils URL Validation JsonLoader.java JsonLoader.fromURL server-side request forgery
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-918
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Sep 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
java-json-tools jackson-coreutils java-json-tools:jackson-coreutils | 2.0 | CNA record |
References
- https://vuldb.com/vuln/399511vdb-entry, technical-description
- https://vuldb.com/vuln/399511/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-86321third-party-advisory
- https://vuldb.com/submit/908323third-party-advisory
- https://github.com/java-json-tools/jackson-coreutils/issues/64exploit, issue-tracking
- https://github.com/java-json-tools/jackson-coreutils/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.