Vulnerability · Published Sep 8, 2026 · Assigned by VulDB

CVE-2026-86513java-json-tools jackson-coreutils JSON Pointer parser TreePointer.java TreePointer.tokensFromInput allocation of resources

Medium 5.3

In plain English

A medium-severity resource allocation without limits in jackson-coreutils from java-json-tools. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.7%top 46.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A security flaw has been discovered in java-json-tools jackson-coreutils 2.0. This vulnerability affects the function TreePointer.tokensFromInput of the file src/main/java/com/github/fge/jackson/jsonpointer/TreePointer.java of the component JSON Pointer parser. The manipulation results in allocation of resources. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Affected products (as reported)

Vendor	Product	Versions
java-json-tools	jackson-coreutils	2.0

Weakness: CWE-770, CWE-400 · Vector: 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

References

VDB-399667 | java-json-tools jackson-coreutils JSON Pointer parser TreePointer.java TreePointer.tokensFromInput allocation of resources vdb-entry, technical-description
VDB-399667 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-86513 | CVE Analysis and Report third-party-advisory
Submit #908445 | java-json-tools jackson-coreutils 2.0 Denial of Service third-party-advisory
https://github.com/java-json-tools/jackson-coreutils/issues/66 exploit, issue-tracking
https://github.com/java-json-tools/jackson-coreutils/ product