CVE-2026-50630

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-06-12. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.5Exploit: NoneExposed: 0

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

A CRLF injection vulnerability exists in the OAuth2 AuthorizationUtils class. When constructing the WWW-Authenticate response header, the 'realm' parameter is concatenated without sanitizing Carriage Return (CR) and Line Feed (LF) characters. If an attacker can control the realm value, they can inject arbitrary HTTP headers or split the HTTP response entirely. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fixes this issue.

CVSS v3
6.5
EG Score
6.5(medium)
EPSS
33.0%
KEV
Not listed

Published

June 12, 2026

Last Modified

June 12, 2026

Advisory Details (2)

Auto-updated Jun 12, 2026
No patch confirmed yet.
generic

oss-security - CVE-2026-50630: Apache CXF: OAuth2: HTTP Response Splitting via WWW-Authenticate Realm Injection

http://www.openwall.com/lists/oss-security/2026/06/11/7
generic
https://lists.apache.org/thread/bt7vnjzzkpd6vdhkxv103poor1jy5trm

Vendor Advisories for CVE-2026-50630(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 9× in last 7d / 65× 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. 2026-07-22 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. 2026-07-16 23:23 UTCGHSA enrichment
  9. 2026-07-16 17:03 UTCEPSS rescore
  10. 2026-07-15 17:17 UTCGHSA enrichment
  11. 2026-07-15 16:57 UTCEPSS rescore
  12. 2026-07-15 16:57 UTCEPSS rescore
  13. 2026-07-15 02:00 UTCEPSS rescore
  14. 2026-07-15 02:00 UTCEPSS rescore
  15. 2026-07-14 18:23 UTCGHSA enrichment
  16. 2026-07-13 22:31 UTCEPSS rescore
  17. 2026-07-13 19:03 UTCGHSA enrichment
  18. 2026-07-13 06:13 UTCEPSS rescore
  19. 2026-07-13 06:13 UTCEPSS rescore
  20. 2026-07-12 19:25 UTCGHSA enrichment
  21. 2026-07-12 05:46 UTCEPSS rescore
  22. 2026-07-11 20:09 UTCGHSA enrichment
  23. 2026-07-11 08:27 UTCEPSS rescore
  24. 2026-07-11 08:27 UTCEPSS rescore
  25. 2026-07-10 21:11 UTCGHSA enrichment
Show 70 more
  1. 2026-07-09 22:19 UTCGHSA enrichment
  2. 2026-07-09 19:10 UTCEPSS rescore
  3. 2026-07-09 19:10 UTCEPSS rescore
  4. 2026-07-08 23:27 UTCGHSA enrichment
  5. 2026-07-08 15:16 UTCEPSS rescore
  6. 2026-07-08 15:16 UTCEPSS rescore
  7. 2026-07-08 00:34 UTCGHSA enrichment
  8. 2026-07-07 13:46 UTCEPSS rescore
  9. 2026-07-07 13:46 UTCEPSS rescore
  10. 2026-07-07 01:18 UTCGHSA enrichment
  11. 2026-07-06 16:27 UTCEPSS rescore
  12. 2026-07-06 02:23 UTCEPSS rescore
  13. 2026-07-05 12:19 UTCGHSA enrichment
  14. 2026-07-05 02:30 UTCEPSS rescore
  15. 2026-07-04 13:28 UTCGHSA enrichment
  16. 2026-07-04 06:31 UTCEPSS rescore
  17. 2026-07-03 14:37 UTCGHSA enrichment
  18. 2026-07-02 12:14 UTCGHSA enrichment
  19. 2026-07-01 15:07 UTCEPSS rescore
  20. 2026-07-01 13:21 UTCGHSA enrichment
  21. 2026-06-30 23:22 UTCEPSS rescore
  22. 2026-06-30 14:26 UTCGHSA enrichment
  23. 2026-06-29 15:32 UTCGHSA enrichment
  24. 2026-06-29 14:06 UTCEPSS rescore
  25. 2026-06-29 14:06 UTCEPSS rescore
  26. 2026-06-28 16:39 UTCGHSA enrichment
  27. 2026-06-28 14:07 UTCEPSS rescore
  28. 2026-06-28 04:56 UTCEPSS rescore
  29. 2026-06-28 04:56 UTCEPSS rescore
  30. 2026-06-27 17:48 UTCGHSA enrichment
  31. 2026-06-27 03:08 UTCEPSS rescore
  32. 2026-06-26 18:56 UTCGHSA enrichment
  33. 2026-06-25 20:05 UTCGHSA enrichment
  34. 2026-06-25 13:49 UTCEPSS rescore
  35. 2026-06-24 21:09 UTCGHSA enrichment
  36. 2026-06-24 14:05 UTCEPSS rescore
  37. 2026-06-23 22:17 UTCGHSA enrichment
  38. 2026-06-23 21:33 UTCEPSS rescore
  39. 2026-06-23 21:33 UTCEPSS rescore
  40. 2026-06-22 23:15 UTCGHSA enrichment
  41. 2026-06-22 14:25 UTCEPSS rescore
  42. 2026-06-22 14:25 UTCEPSS rescore
  43. 2026-06-22 00:19 UTCGHSA enrichment
  44. 2026-06-21 14:56 UTCEPSS rescore
  45. 2026-06-21 14:56 UTCEPSS rescore
  46. 2026-06-21 01:59 UTCEPSS rescore
  47. 2026-06-21 01:59 UTCEPSS rescore
  48. 2026-06-21 01:26 UTCGHSA enrichment
  49. 2026-06-20 02:25 UTCGHSA enrichment
  50. 2026-06-19 19:26 UTCEPSS rescore
  51. 2026-06-19 19:26 UTCEPSS rescore
  52. 2026-06-19 03:00 UTCGHSA enrichment
  53. 2026-06-18 17:52 UTCEPSS rescore
  54. 2026-06-18 17:52 UTCEPSS rescore
  55. 2026-06-18 04:03 UTCGHSA enrichment
  56. 2026-06-17 17:53 UTCEPSS rescore
  57. 2026-06-17 05:11 UTCGHSA enrichment
  58. 2026-06-16 17:53 UTCEPSS rescore
  59. 2026-06-16 06:19 UTCGHSA enrichment
  60. 2026-06-15 17:49 UTCEPSS rescore
  61. 2026-06-15 17:49 UTCEPSS rescore
  62. 2026-06-15 07:26 UTCEG score recompute▲ 6.50
  63. 2026-06-15 07:26 UTCGHSA enrichment
  64. 2026-06-14 23:18 UTCEPSS rescore
  65. 2026-06-13 23:00 UTCEPSS rescore
  66. 2026-06-12 23:12 UTCEPSS rescore
  67. 2026-06-12 23:12 UTCEPSS rescore
  68. 2026-06-12 16:12 UTCNVD updateCVSS v3 → 6.5 · severity → MEDIUM
  69. 2026-06-12 12:11 UTCEG score recompute
  70. 2026-06-12 12:11 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-50630?
CVE-2026-50630 is a medium vulnerability published on June 12, 2026. A CRLF injection vulnerability exists in the OAuth2 AuthorizationUtils class. When constructing the WWW-Authenticate response header, the 'realm' parameter is concatenated without sanitizing Carriage Return (CR) and Line Feed (LF) characters. If an attacker can control the realm value, they can…
When was CVE-2026-50630 disclosed?
CVE-2026-50630 was first published in the National Vulnerability Database on June 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-50630 actively exploited?
CVE-2026-50630 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 33.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-50630?
CVE-2026-50630 has a CVSS v3.1 base score of 6.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-50630?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-50630, 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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