CVE-2026-6501
📛 CVE Title
CVE-2026-6501
Description
Improper restriction of XML external entity reference vulnerability in ILM Informatique jOpenDocument allows Data Serialization External Entities Blowup. This issue affects jOpenDocument: 1.5.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- TCS-CERT
- CVSS severity
- MEDIUM
- CVSS score
- 5.3 / 10
- CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N- Effective score
- 5.3 / 10 MEDIUM source: CNA overview
- CWE(s)
-
CWE-611 - Reserved
- 2026-04-17
- Published
- 2026-05-04 16:26 UTC
- Last updated
- 2026-05-04 17:32 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/6xxx/CVE-2026-6501.json
- Linked Threat
- CVE-2026-6501 — CVE-2026-6501
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-05-04 15:16:05 UTC
- NVD last modified
- 2026-05-05 20:14:04 UTC
- EPSS score
- 0.0006 (probability of exploitation in next 30 days)
- EPSS percentile
- 19.66% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24
NVD / KEV / EPSS data refreshed 2026-05-25 07:09 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-26973 - Assigner
- TCS-CERT
- Published
- May 4, 2026, 2:26:50 PM
- Updated
- May 4, 2026, 3:32:22 PM
- EUVD base score (CVSS 4.0)
-
5.3 / 10
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N - EUVD-reported EPSS
- 0.0600
- Vendors
- ILM Informatique
- Products
-
jOpenDocument (1.5)
ENISA description: Improper restriction of XML external entity reference vulnerability in ILM Informatique jOpenDocument allows Data Serialization External Entities Blowup. This issue affects jOpenDocument: 1.5.
EUVD references (1)
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| ILM Informatique | jOpenDocument |
1.5 (affected)
|
— |
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
MITRE references (1) cveawg.mitre.org
Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.
Web references (3)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- https://nvd.nist.gov/vuln/detail/CVE-2026-6501 tenable:nvd.nist.gov
- https://www.cve.org/CVERecord?id=CVE-2026-6501 tenable:www.cve.org
- https://www.first.org/epss/ tenable:www.first.org
NVD-tagged references (1)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://www.jopendocument.org/documentation.html 64c5ae8f-7972-4697-86a0-7ada793ac795
Remediations (15)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:blog.qualys.com
With Qualys Policy Audit's out-of-the-box mitigation or Compensatory Controls, which reduce the risk of a vulnerability being exploited because the remediation ( fix / patch ) cannot be done immediately, these security controls are not recommended by any industry standards, such as CIS and DISA-STIG.
2026-05-23 21:15 UTC -
web:cyberpress.org
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two actively exploited Microsoft Defender vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, issuing an urgent remediation directive for federal agencies with a due date of June 3, 2026 .
2026-05-23 21:15 UTC -
web:cybersecuritynews.com
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two critical Microsoft Defender vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, warning organizations of active exploitation risks. The flaws, tracked as CVE - 2026 -45498 and CVE - 2026 -41091, impact Microsoft Defender and could allow attackers to disrupt systems or escalate privileges. Both ...
2026-05-23 21:15 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-05-23 21:15 UTC -
web:www.bleepingcomputer.com
Today is Microsoft's February 2026 Patch Tuesday with security updates for 58 flaws, including 6 actively exploited and three publicly disclosed zero-day vulnerabilities.
2026-05-23 21:15 UTC -
web:www.crowdstrike.com
Microsoft's April 2026 Patch Tuesday addresses 164 CVEs , featuring 8 Critical vulnerabilities, one exploited zero-day, and one disclosed zero-day.
2026-05-23 21:15 UTC -
web:www.forbes.com
Microsoft has confirmed an emergency security update as CISA warns that two new Defender zero-days are being exploited by attackers.
2026-05-23 21:15 UTC -
web:www.oracle.com
This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.
2026-05-23 21:15 UTC -
web:www.secpod.com
The second Tuesday of the month has arrived, bringing another significant wave of Microsoft security updates. In February 2026 , Microsoft issued patches for 58 vulnerabilities, including six actively exploited zero-day flaws and five rated Critical. As part of this month's release, Microsoft has also begun rolling out updated Secure Boot certificates ahead of the June 2026 expiration of the ...
2026-05-23 21:15 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-05-23 21:15 UTC -
web:community.ui.com
Published: May 21, 2026 Updated: May 22, 2026 Version: 1.1 Revision: 1.1 Summary 1 of 5 A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection. Affected Products: UniFi OS Server (Version 5.0.6 and earlier) Mitigation : Update your UniFi OS Server to Version 5.0.8 or later ...
2026-05-26 02:45 UTC -
web:msrc.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
2026-05-26 02:45 UTC -
web:windowsreport.com
Microsoft patched two actively exploited Defender zero-days affecting Windows systems and security components.
2026-05-26 02:45 UTC -
web:www.csoonline.com
Microsoft highlighted six new and actively exploited vulnerabilities among the 60 fixes issued in today's February Patch Tuesday releases.
2026-05-26 02:45 UTC -
web:www.techradar.com
Microsoft patches two actively exploited zero‑day flaws in Defender, tracked as CVE‑2026‑41091 (privilege escalation) and CVE‑2026‑45498 (denial of service) Updates were shipped ...
2026-05-26 02:45 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-6501.json.
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