CVE-2026-29062jackson-core contains core low-level incremental ("streaming") parser and generator abstractions used by Jackson Data Processor.
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No exploitation reported and no EPSS estimate yet.
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jackson-core contains core low-level incremental ("streaming") parser and generator abstractions used by Jackson Data Processor. From version 3.0.0 to before version 3.1.0, the UTF8DataInputJsonParser, which is used when parsing from a java.io.DataInput source, bypasses the maxNestingDepth constraint (default: 500) defined in StreamReadConstraints. A similar issue was found in ReaderBasedJsonParser. This allows a user to supply a JSON document with excessive nesting, which can cause a StackOverflowError when the structure is processed, leading to a Denial of Service (DoS). This issue has been patched in version 3.1.0.
- CVSS
- 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-770, CWE-1284
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Jul 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
fasterxml jackson-core fasterxml:jackson-core | from 3.0.0 before 3.1.0 | NVD |
References
- https://github.com/FasterXML/jackson-core/commit/8b25fd67f20583e75fb09564ce1eaab06cd5a902patch
- https://github.com/FasterXML/jackson-core/pull/1554issue-tracking, patch
- https://github.com/FasterXML/jackson-core/security/advisories/GHSA-6v53-7c9g-w56rpatch, vendor-advisory
- https://access.redhat.com/security/cve/CVE-2026-29062
- https://bugzilla.redhat.com/show_bug.cgi?id=2445135
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-29062.json
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.