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CVE-2026-107621

CVE-2026-107621

validatedZero produced an exploit or a check.

EUVD-2026-102891 ↗

check availableZero validated a working check for it.not proven exploitableZero has a detection check, but hasn't produced a full working exploit yet.
cve.orgpublic pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).kevAttacks confirmed in the real world.
J4Care dcm4chee-arc-light 5.35.1
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
ETK-2026-1786Zero's internal tracking ID, independent of the CVE number., permanent identifier
cvss8.7cna vendorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
+2h05mTTV
28mAI analysisAnalysis: how long the AI spent reversing this signal.
Check if you are vulnerable
timeline
0 = cve.org publication
trigger signal (cve.org) +0hcheck available+2h05magent stopped
0
+1h

description

J4Care dcm4chee-arc-light is affected by an infinite-loop flaw in JPEGParser. An attacker who can cause the application to parse a crafted or truncated JPEG stream may exhaust processing resources and disrupt availability.

mitigation

Restrict untrusted JPEG uploads or ingestion paths and isolate parsing with appropriate resource limits. No fixed version is recorded; monitor vendor updates and apply a patched release when available.

check
available
exploit
no
automationDeterministic: a check that runs on its own, the same request on every target. Contextual: an agentic technique that needs to be applied per target, for bugs that depend on contextual flows.
deterministic
auth requiredWhether an attacker needs an account first, based on the CVSS vector's Privileges Required.
no
EPSSEstimate of the chance this CVE is exploited in the next 30 days. Refreshed daily.
0.34%26th percentile
agent run time
28m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-10-16 14:19Z
Δ to public pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).
–
Δ to kevAttacks confirmed in the real world.
–

outcome

Check only, differential: the check fires on the vulnerable build and is silent on the patched one.

source signals

Public signals that triggered or updated the pipeline. These are inputs for the deltas above.

  1. 2026-10-16 14:19Z
    cve_org: trigger signal, started the run
    https://www.cve.org/CVERecord?id=CVE-2026-107621

this entry in the feed

GET /api/v1/feed/CVE-2026-107621

{
  "etk_id": "ETK-2026-1786",
  "cve_id": "CVE-2026-107621",
  "display_id": "CVE-2026-107621",
  "ghsa_id": null,
  "euvd_id": "EUVD-2026-102891",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Infinite-loop denial of service in dcm4chee-arc-light JPEGParser",
  "summary": "J4Care dcm4chee-arc-light is affected by an infinite-loop flaw in JPEGParser. An attacker who can cause the application to parse a crafted or truncated JPEG stream may exhaust processing resources and disrupt availability.",
  "mitigation": "Restrict untrusted JPEG uploads or ingestion paths and isolate parsing with appropriate resource limits. No fixed version is recorded; monitor vendor updates and apply a patched release when available.",
  "vendor": "J4Care",
  "product": "dcm4chee-arc-light",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "5.35.1"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "dcm4chee-arc-light",
      "purl": null
    }
  ],
  "cwes": [
    835
  ],
  "cvss_score": 8.7,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
  "epss_score": 0.0034,
  "epss_percentile": 0.2642,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 28.095299416666666,
  "t0_at": "2026-10-16T14:19:32.673000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-16T16:24:44.379666+00:00",
      "days": 0.086941049375,
      "is_lower_bound": false,
      "measured_at": "2026-10-16T14:19:32.673000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-16T14:19:32.673000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-16T14:19:32.673000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-107621"
    }
  }
}

published 2026-10-16 15:56Z
last change 2026-10-21 14:33Z

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