CVE record · CVE-2026-68498

jackson-core: Delayed maxNameLength enforcement for char-backed input (ReaderBasedJsonParser) allows memory-exhaustion denial of service

CVSS 7.5 HighEPSS 0.0065 · 51st percentile

Published by the CVE Program (CNA: HeroDevs) at 16 Oct 2026, 21:11 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
FasterXML	jackson-core Package name: com.fasterxml.jackson.core:jackson-core https://repo.maven.apache.org/maven2	affected 2.16.0 to before 2.18.10 maven unaffected 2.18.10 maven affected 2.19.0 to before 2.21.6 maven unaffected 2.21.6 maven affected 2.22.0 to before 2.22.2 maven unaffected 2.22.2 maven Other versions: unaffected
FasterXML	jackson-core Package name: tools.jackson.core:jackson-core https://repo.maven.apache.org/maven2	affected 3.0.0 to before 3.1.6 maven unaffected 3.1.6 maven affected 3.2.0 to before 3.2.2 maven unaffected 3.2.2 maven Other versions: unaffected

Identifiers: CVE-2026-68498
CNA: HeroDevs
Weakness (CWE): CWE-400
Tags: FasterXML jackson-core
Denial of service
Published: 16 Oct 2026
Updated: 20 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.5	High	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CNA (HeroDevs)

CISA KEV Not listed.
EPSS 0.0065, the 51st percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 16 Oct 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/FasterXML/jackson-core/security/advisories/GHSA-649p-m576-vr99 vendor-advisory
github.com/FasterXML/jackson-core/pull/1643 patch
github.com/FasterXML/jackson-core/commit/2cd206de1163e3fcff7bdaca425274f00668b075 patch
github.com/FasterXML/jackson-core/blob/2.x/release-notes/VERSION-2.x release-notes
github.com/FasterXML/jackson-core/blob/3.x/release-notes/VERSION release-notes

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.