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 — 4 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 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)
EG Risk
44(Track)
EG Risk 44/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
41%
KEV
Not listed

Published

June 12, 2026

Last Modified

July 15, 2026

Advisory Details (7)

Auto-updated Jul 25, 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 17× in last 7d / 169× 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 244 total refreshes for this CVE.

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

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 1% probability of exploitation in the next 30 days, which ranks it in the top 58.5% of all scored CVEs.
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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