CVE-2026-86511
java-json-tools jackson-coreutils JacksonUtils.java BigDecimal.toPlainString resource consumption
- State
- Published
- Severity
- 6.9 Medium
- Published
- Sep 8, 2026
- Updated
- Sep 8, 2026
- Reserved
- Sep 7, 2026
Description
A vulnerability was found in java-json-tools jackson-coreutils 2.0. Affected by this vulnerability is the function BigDecimal.toPlainString of the file src/main/java/com/github/fge/jackson/JacksonUtils.java. Performing a manipulation results in resource consumption. The attack may be initiated 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.3 Medium | 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 | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
jackson-coreutilsjava-json-tools |
|
References
- VDB-399664 | java-json-tools jackson-coreutils JacksonUtils.java BigDecimal.toPlainString resource consumptionvdb-entrytechnical-description
- VDB-399664 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-86511 | CVE Analysis and Reportthird-party-advisory
- Submit #908322 | java-json-tools jackson-coreutils 2.0 BigDecimal Amplification DoSthird-party-advisory
- https://github.com/java-json-tools/jackson-coreutils/issues/65exploitissue-tracking
- https://github.com/java-json-tools/jackson-coreutils/product
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