CVE-2026-49875

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM 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: 1%CVSS: 9.8Exploit: NoneExposed: 0

A fix is available — apply it.

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(medium)
EPSS
41.4%
KEV
Not listed

Published

June 12, 2026

Last Modified

July 15, 2026

Advisory Details (7)

Auto-updated Jul 16, 2026
Patch available. Sources: redhat.
redhat Patch Available
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49875.json
redhat Patch Available

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
redhat Patch Available
https://access.redhat.com/errata/RHSA-2026:37390
redhat Patch Available
https://access.redhat.com/errata/RHSA-2026:36839
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(3)

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

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatcxf-core2026-07-09redhat

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.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 18× in last 7d / 183× 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 230 total refreshes for this CVE.

  1. 2026-07-22 14:08 UTCEPSS rescore
  2. 2026-07-21 15:25 UTCEPSS rescore
  3. 2026-07-20 17:08 UTCEPSS rescore
  4. 2026-07-19 14:31 UTCEPSS rescore
  5. 2026-07-19 14:31 UTCEPSS rescore
  6. 2026-07-19 02:29 UTCEPSS rescore
  7. 2026-07-18 10:04 UTCEPSS rescore
  8. 2026-07-17 06:17 UTCVendor advisory
  9. 2026-07-17 06:17 UTCGHSA enrichment
  10. 2026-07-16 23:24 UTCVendor advisory
  11. 2026-07-16 23:24 UTCGHSA enrichment
  12. 2026-07-16 17:03 UTCEPSS rescore
  13. 2026-07-16 13:12 UTCVendor advisory
  14. 2026-07-16 13:12 UTCGHSA enrichment
  15. 2026-07-16 08:41 UTCVendor advisory
  16. 2026-07-16 08:41 UTCGHSA enrichment
  17. 2026-07-16 01:56 UTCVendor advisory
  18. 2026-07-16 01:56 UTCGHSA enrichment
  19. 2026-07-15 21:33 UTCVendor advisory
  20. 2026-07-15 21:33 UTCGHSA enrichment
  21. 2026-07-15 16:57 UTCEPSS rescore
  22. 2026-07-15 16:57 UTCEPSS rescore
  23. 2026-07-15 16:23 UTCVendor advisory
  24. 2026-07-15 16:23 UTCGHSA enrichment
  25. 2026-07-15 07:55 UTCVendor advisory
Show 75 more
  1. 2026-07-15 07:55 UTCGHSA enrichment
  2. 2026-07-15 02:26 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
  3. 2026-07-15 02:00 UTCEPSS rescore
  4. 2026-07-15 01:37 UTCVendor advisory
  5. 2026-07-15 01:37 UTCGHSA enrichment
  6. 2026-07-15 01:21 UTCMITRE cvelistV5CVSS v3 → 6.5 · severity → MEDIUM
  7. 2026-07-14 20:58 UTCVendor advisory
  8. 2026-07-14 20:58 UTCGHSA enrichment
  9. 2026-07-14 16:33 UTCVendor advisory
  10. 2026-07-14 16:33 UTCGHSA enrichment
  11. 2026-07-14 12:06 UTCVendor advisory
  12. 2026-07-14 12:06 UTCGHSA enrichment
  13. 2026-07-14 03:54 UTCVendor advisory
  14. 2026-07-14 03:54 UTCGHSA enrichment
  15. 2026-07-13 23:28 UTCVendor advisory
  16. 2026-07-13 23:28 UTCGHSA enrichment
  17. 2026-07-13 22:30 UTCEPSS rescore
  18. 2026-07-13 19:04 UTCVendor advisory
  19. 2026-07-13 19:04 UTCGHSA enrichment
  20. 2026-07-13 12:49 UTCVendor advisory
  21. 2026-07-13 12:49 UTCGHSA enrichment
  22. 2026-07-13 06:13 UTCEPSS rescore
  23. 2026-07-13 02:48 UTCVendor advisory
  24. 2026-07-13 02:48 UTCGHSA enrichment
  25. 2026-07-12 22:24 UTCVendor advisory
  26. 2026-07-12 22:24 UTCGHSA enrichment
  27. 2026-07-12 17:56 UTCVendor advisory
  28. 2026-07-12 17:56 UTCGHSA enrichment
  29. 2026-07-12 11:49 UTCVendor advisory
  30. 2026-07-12 11:49 UTCGHSA enrichment
  31. 2026-07-12 07:16 UTCVendor advisory
  32. 2026-07-12 07:16 UTCGHSA enrichment
  33. 2026-07-12 05:46 UTCEPSS rescore
  34. 2026-07-12 02:11 UTCVendor advisory
  35. 2026-07-12 02:11 UTCGHSA enrichment
  36. 2026-07-11 21:41 UTCVendor advisory
  37. 2026-07-11 21:41 UTCGHSA enrichment
  38. 2026-07-11 17:17 UTCVendor advisory
  39. 2026-07-11 17:17 UTCGHSA enrichment
  40. 2026-07-11 12:51 UTCVendor advisory
  41. 2026-07-11 12:51 UTCGHSA enrichment
  42. 2026-07-11 08:27 UTCEPSS rescore
  43. 2026-07-11 08:27 UTCVendor advisory
  44. 2026-07-11 08:27 UTCGHSA enrichment
  45. 2026-07-11 04:03 UTCVendor advisory
  46. 2026-07-11 04:03 UTCGHSA enrichment
  47. 2026-07-10 23:38 UTCVendor advisory
  48. 2026-07-10 23:38 UTCGHSA enrichment
  49. 2026-07-10 17:44 UTCVendor advisory
  50. 2026-07-10 17:44 UTCGHSA enrichment
  51. 2026-07-10 13:19 UTCVendor advisory
  52. 2026-07-10 13:19 UTCGHSA enrichment
  53. 2026-07-10 12:27 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
  54. 2026-07-10 12:12 UTCMITRE cvelistV5CVSS v3 → 6.5 · severity → MEDIUM
  55. 2026-07-10 03:30 UTCVendor advisory
  56. 2026-07-10 03:30 UTCGHSA enrichment
  57. 2026-07-09 22:04 UTCVendor advisory
  58. 2026-07-09 22:04 UTCGHSA enrichment
  59. 2026-07-09 19:10 UTCEPSS rescore
  60. 2026-07-09 13:52 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
  61. 2026-07-09 12:25 UTCMITRE cvelistV5CVSS v3 → 6.5 · severity → MEDIUM
  62. 2026-07-09 10:05 UTCVendor advisory
  63. 2026-07-09 10:05 UTCGHSA enrichment
  64. 2026-07-09 05:42 UTCVendor advisory
  65. 2026-07-09 05:42 UTCGHSA enrichment
  66. 2026-07-09 01:15 UTCVendor advisory
  67. 2026-07-09 01:15 UTCGHSA enrichment
  68. 2026-07-08 20:50 UTCGHSA enrichment
  69. 2026-07-08 15:31 UTCGHSA enrichment
  70. 2026-07-08 15:16 UTCEPSS rescore
  71. 2026-07-08 11:07 UTCGHSA enrichment
  72. 2026-07-08 06:39 UTCGHSA enrichment
  73. 2026-07-08 01:54 UTCGHSA enrichment
  74. 2026-07-07 21:30 UTCGHSA enrichment
  75. 2026-07-07 13:46 UTCEPSS rescore

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 July 15, 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 41.4% 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.

Dependency Blast Radius

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