CVE-2026-49875

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-12. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.8Exploit: NoneExposed: 0

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

Apache CXF's EndpointReferenceUtils and W3CMultiSchemaFactory classes construct a SAXParserFactory without the necessary JAXP hardening configurations, enabling out-of-band (OOB) external entity resolution. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fix this issue.

CVSS v3
9.8
EG Score
9.8(high)
EPSS
38.3%
KEV
Not listed

Published

June 12, 2026

Last Modified

June 30, 2026

Advisory Details (5)

Auto-updated Jun 30, 2026
Patch available. Sources: redhat.
redhat
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49875.json
redhat

2488309 – (CVE-2026-49875) CVE-2026-49875 cxf: org.apache.cxf/cxf-core: Apache CXF: Information disclosure via out-of-band external entity resolution due to missing JAXP hardening

https://bugzilla.redhat.com/show_bug.cgi?id=2488309
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2026-49875
generic

oss-security - CVE-2026-49875: Apache CXF: XML External Entity (XXE) Injection in W3CMultiSchemaFactory and EndpointReferenceUtils

http://www.openwall.com/lists/oss-security/2026/06/11/2
generic
https://lists.apache.org/thread/3kb9w5bg90xcp06fccoz9k3gpsvyy79o

Vendor Advisories for CVE-2026-49875(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 68× in last 7d / 223× 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.

Showing the most recent 100 of 223 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-49875?
CVE-2026-49875 is a critical vulnerability published on June 12, 2026. Apache CXF's EndpointReferenceUtils and W3CMultiSchemaFactory classes construct a SAXParserFactory without the necessary JAXP hardening configurations, enabling out-of-band (OOB) external entity resolution. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fix this issue.
When was CVE-2026-49875 disclosed?
CVE-2026-49875 was first published in the National Vulnerability Database on June 12, 2026, with the most recent update on June 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-49875 actively exploited?
CVE-2026-49875 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 38.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-49875?
CVE-2026-49875 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-49875?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-49875, 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.

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