CVE-2026-6501

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.3 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 78% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Improper restriction of XML external entity reference vulnerability in ILM Informatique jOpenDocument allows Data Serialization External Entities Blowup.

This issue affects jOpenDocument: 1.5.

CVSS v3
5.3
EG Score
5.3(medium)
EPSS
14.0%
KEV
Not listed

Published

May 4, 2026

Last Modified

May 5, 2026

Advisory Details (1)

Auto-updated May 4, 2026
No patch confirmed yet.
generic

jOpenDocument - Documentation

https://www.jopendocument.org/documentation.html

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
mavenorg.jopendocument:jOpenDocument—ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFixed inDependents
org.jopendocument:jOpenDocument1.0, 1.1, 1.2, 1.3, 1.3b1——

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 13× in last 7d / 46× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-12 05:46 UTCEPSS rescore
  2. 2026-07-11 08:27 UTCEPSS rescore
  3. 2026-07-11 08:27 UTCEPSS rescore
  4. 2026-07-09 19:10 UTCEPSS rescore
  5. 2026-07-09 19:10 UTCEPSS rescore
  6. 2026-07-08 15:16 UTCEPSS rescore
  7. 2026-07-08 15:16 UTCEPSS rescore
  8. 2026-07-07 13:46 UTCEPSS rescore
  9. 2026-07-07 13:46 UTCEPSS rescore
  10. 2026-07-06 16:27 UTCEPSS rescore
  11. 2026-07-06 16:27 UTCEPSS rescore
  12. 2026-07-06 02:23 UTCEPSS rescore
  13. 2026-07-06 02:23 UTCEPSS rescore
  14. 2026-07-05 02:31 UTCEPSS rescore
  15. 2026-07-05 02:30 UTCEPSS rescore
  16. 2026-07-04 06:31 UTCEPSS rescore
  17. 2026-07-04 06:31 UTCEPSS rescore
  18. 2026-07-01 15:07 UTCEPSS rescore
  19. 2026-06-29 14:06 UTCEPSS rescore
  20. 2026-06-28 14:07 UTCEPSS rescore
  21. 2026-06-28 04:56 UTCEPSS rescore
  22. 2026-06-27 03:08 UTCEPSS rescore
  23. 2026-06-25 13:50 UTCEPSS rescore
  24. 2026-06-24 14:05 UTCEPSS rescore
  25. 2026-06-23 21:33 UTCEPSS rescore
Show 75 more
  1. 2026-06-23 21:33 UTCEPSS rescore
  2. 2026-06-22 14:25 UTCEPSS rescore
  3. 2026-06-22 14:25 UTCEPSS rescore
  4. 2026-06-21 14:56 UTCEPSS rescore
  5. 2026-06-21 14:56 UTCEPSS rescore
  6. 2026-06-21 01:59 UTCEPSS rescore
  7. 2026-06-21 01:59 UTCEPSS rescore
  8. 2026-06-19 19:26 UTCEPSS rescore
  9. 2026-06-19 19:26 UTCEPSS rescore
  10. 2026-06-18 17:52 UTCEPSS rescore
  11. 2026-06-18 17:52 UTCEPSS rescore
  12. 2026-06-17 17:53 UTCEPSS rescore
  13. 2026-06-16 17:53 UTCEPSS rescore
  14. 2026-06-15 17:49 UTCEPSS rescore
  15. 2026-06-15 17:49 UTCEPSS rescore
  16. 2026-06-14 23:18 UTCEPSS rescore
  17. 2026-06-14 08:15 UTCEG score recompute
  18. 2026-06-14 08:15 UTCGHSA enrichment
  19. 2026-06-13 23:00 UTCEPSS rescore
  20. 2026-06-12 23:12 UTCEPSS rescore
  21. 2026-06-12 23:12 UTCEPSS rescore
  22. 2026-06-12 11:10 UTCEG score recompute
  23. 2026-06-12 11:10 UTCGHSA enrichment
  24. 2026-06-11 14:00 UTCEPSS rescore
  25. 2026-06-11 11:03 UTCEG score recompute
  26. 2026-06-11 11:03 UTCGHSA enrichment
  27. 2026-06-10 22:19 UTCEPSS rescore
  28. 2026-06-10 13:22 UTCEPSS rescore
  29. 2026-06-10 10:46 UTCEG score recompute
  30. 2026-06-10 10:46 UTCGHSA enrichment
  31. 2026-06-09 10:41 UTCEG score recompute
  32. 2026-06-09 10:41 UTCGHSA enrichment
  33. 2026-06-08 14:17 UTCEPSS rescore
  34. 2026-06-08 10:37 UTCEG score recompute
  35. 2026-06-08 10:37 UTCGHSA enrichment
  36. 2026-06-07 15:25 UTCEPSS rescore
  37. 2026-06-07 10:33 UTCEG score recompute
  38. 2026-06-07 10:33 UTCGHSA enrichment
  39. 2026-06-06 13:47 UTCEPSS rescore
  40. 2026-06-06 10:29 UTCEG score recompute
  41. 2026-06-06 10:29 UTCGHSA enrichment
  42. 2026-06-05 22:47 UTCEPSS rescore
  43. 2026-06-05 10:23 UTCEG score recompute
  44. 2026-06-05 10:23 UTCGHSA enrichment
  45. 2026-06-05 06:10 UTCEPSS rescore
  46. 2026-06-04 13:12 UTCEPSS rescore
  47. 2026-06-04 10:19 UTCEG score recompute
  48. 2026-06-04 10:19 UTCGHSA enrichment
  49. 2026-06-03 10:14 UTCEG score recompute
  50. 2026-06-03 10:14 UTCGHSA enrichment
  51. 2026-06-02 20:13 UTCEPSS rescore
  52. 2026-06-02 10:07 UTCEG score recompute
  53. 2026-06-02 10:07 UTCGHSA enrichment
  54. 2026-06-01 13:52 UTCEPSS rescore
  55. 2026-06-01 13:52 UTCEPSS rescore
  56. 2026-06-01 10:02 UTCEG score recompute
  57. 2026-06-01 10:02 UTCGHSA enrichment
  58. 2026-05-31 22:30 UTCEPSS rescore
  59. 2026-05-31 22:30 UTCEPSS rescore
  60. 2026-05-31 00:16 UTCEPSS rescore
  61. 2026-05-31 00:16 UTCEPSS rescore
  62. 2026-05-29 13:44 UTCEPSS rescore
  63. 2026-05-29 13:44 UTCEPSS rescore
  64. 2026-05-28 13:44 UTCEPSS rescore
  65. 2026-05-28 13:44 UTCEPSS rescore
  66. 2026-05-27 13:40 UTCEPSS rescore
  67. 2026-05-27 13:40 UTCEPSS rescore
  68. 2026-05-26 13:44 UTCEPSS rescore
  69. 2026-05-26 07:18 UTCEPSS rescore
  70. 2026-05-23 00:08 UTCEG score recompute
  71. 2026-05-21 22:43 UTCEPSS rescore
  72. 2026-05-20 22:38 UTCEPSS rescore
  73. 2026-05-20 14:36 UTCEG score recompute
  74. 2026-05-20 14:36 UTCGHSA enrichment
  75. 2026-05-20 11:22 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-6501?
CVE-2026-6501 is a medium vulnerability published on May 4, 2026. Improper restriction of XML external entity reference vulnerability in ILM Informatique jOpenDocument allows Data Serialization External Entities Blowup. This issue affects jOpenDocument: 1.5.
When was CVE-2026-6501 disclosed?
CVE-2026-6501 was first published in the National Vulnerability Database on May 4, 2026, with the most recent update on May 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-6501 actively exploited?
CVE-2026-6501 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 14.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-6501?
CVE-2026-6501 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-6501?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-6501, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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