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Back to active CVEs
High · CVSS 8.7CVE-2026-101021

J4Care dcm4che Inefficient Algorithmic ComplexityCVE-2026-101021

Answer in brief

CVE-2026-101021 records a High severity (CVSS 8.7) vulnerability in J4Care dcm4che Inefficient Algorithmic Complexity. The current sources do not mark it as known exploited. The current feed maps J4Care/dcm4chee-arc-light (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 16, 2026Updated Oct 16, 2026Source checked Oct 16, 2026First seen by HOL Oct 16, 2026Material review Oct 16, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.7
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 8.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps J4Care/dcm4chee-arc-light (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
J4Care/dcm4chee-arc-lightgeneric5.35.1Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for J4Care/dcm4chee-arc-light.
  2. 2Review the reported fix. Source-reported solution: J4Care has provided a fix for the vulnerability. J4Care recommends users implement release 5.35.2 or later.

Evidence timeline and material changes

  1. Published upstream

    Oct 16, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 16, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 16, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • CISA Known Exploited Vulnerabilities catalogcisa.gov
Upstream source description

MultipartInputStream performs inefficient boundary matching and unnecessary buffer copying. Crafted multipart input can force excessive boundary comparisons and repeated copying.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • J4Care dcm4che Loop with Unreachable Exit ConditionSame j4care/dcm4chee-arc-light package
  • J4Care dcm4che Missing Authentication for Critical FunctionSame j4care/dcm4chee-arc-light package
  • J4Care dcm4che Missing Authentication for Critical FunctionSame j4care/dcm4chee-arc-light package
  • J4Care dcm4che Loop with Unreachable Exit ConditionSame j4care/dcm4chee-arc-light package
  • J4Care dcm4che Missing AuthorizationSame j4care/dcm4chee-arc-light package
  • Guangzhou Juan IoT Technology EseeCloud Observable Response DiscrepancySame generic ecosystem

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-407
Source
CVE List V5
Source checked
Oct 16, 2026
References
2 linked sources
Open source record