CVE-2026-86511CWE-400CWE-404denial-of-service

CVE-2026-86511

Medium · published September 8, 2026

CVSS v3.1
5.3
EPSS
1%
Percentile
52.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
6.9 · 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
EPSS
0.00701 · 52.7th percentile
Weaknesses
CWE-400 · Uncontrolled Resource Consumption; CWE-404 · Improper Resource Shutdown or Release
Published
2026-09-08T07:17Z
References (6)
https://github.com/java-json-tools/jackson-coreutils/ · [email protected]https://github.com/java-json-tools/jackson-coreutils/issues/65 · [email protected]https://vuldb.com/cve/CVE-2026-86511 · [email protected]https://vuldb.com/submit/908322 · [email protected]https://vuldb.com/vuln/399664 · [email protected]https://vuldb.com/vuln/399664/cti · [email protected]
EPSS history
Timeline
  • 09 SEP 03:20Z
    EPSS moved — → 0%
    epss
  • 08 SEP 02:00Z
    java-json-tools jackson-coreutils JacksonUtils.java BigDecimal.toPlainString resource consumption
    cvelistv5