CVE-2026-45173

MEDIUMNVD 6.56.5—
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-12. NVD baseline CVSS 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
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.

Idira Identity Browser Extension (Chrome, Firefox, and Edge builds) versions prior to 26.8.1 exhibit an origin validation flaw within its internal web-page verification routines. If an authenticated user navigates to a specially crafted webpage, this interaction could potentially allow a remote attacker to trigger unauthorized application interaction or execution parameters within the context of that authenticated browser session. CyberArk Security Bulletin: CA26-21

CVSS v3
6.5
EG Score
6.5(high)
EPSS
5.7%
KEV
Not listed

Published

June 11, 2026

Last Modified

June 22, 2026

References (1)

Vendor Advisories for CVE-2026-45173(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 20× in last 7d / 102× 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 102 total refreshes for this CVE.

  1. 2026-07-07 01:24 UTCEG score recompute
  2. 2026-07-07 01:24 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 13:07 UTCEG score recompute
  6. 2026-07-05 13:07 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-04 14:34 UTCEG score recompute
  9. 2026-07-04 14:34 UTCGHSA enrichment
  10. 2026-07-04 06:31 UTCEPSS rescore
  11. 2026-07-03 16:04 UTCEG score recompute
  12. 2026-07-03 16:04 UTCGHSA enrichment
  13. 2026-07-02 17:34 UTCEG score recompute
  14. 2026-07-02 17:33 UTCGHSA enrichment
  15. 2026-07-01 19:01 UTCEG score recompute
  16. 2026-07-01 19:01 UTCGHSA enrichment
  17. 2026-07-01 15:07 UTCEPSS rescore
  18. 2026-06-30 23:22 UTCEPSS rescore
  19. 2026-06-30 20:31 UTCEG score recompute
  20. 2026-06-30 20:31 UTCGHSA enrichment
  21. 2026-06-29 21:54 UTCEG score recompute
  22. 2026-06-29 21:54 UTCGHSA enrichment
  23. 2026-06-29 14:06 UTCEPSS rescore
  24. 2026-06-29 14:06 UTCEPSS rescore
  25. 2026-06-28 23:24 UTCEG score recompute
Show 75 more
  1. 2026-06-28 23:24 UTCGHSA enrichment
  2. 2026-06-28 14:07 UTCEPSS rescore
  3. 2026-06-28 04:56 UTCEPSS rescore
  4. 2026-06-28 04:56 UTCEPSS rescore
  5. 2026-06-28 00:54 UTCEG score recompute
  6. 2026-06-28 00:54 UTCGHSA enrichment
  7. 2026-06-27 03:08 UTCEPSS rescore
  8. 2026-06-27 02:23 UTCEG score recompute
  9. 2026-06-27 02:23 UTCGHSA enrichment
  10. 2026-06-26 03:53 UTCEG score recompute
  11. 2026-06-26 03:53 UTCGHSA enrichment
  12. 2026-06-25 13:49 UTCEPSS rescore
  13. 2026-06-25 05:23 UTCEG score recompute
  14. 2026-06-25 05:23 UTCGHSA enrichment
  15. 2026-06-24 14:05 UTCEPSS rescore
  16. 2026-06-24 06:51 UTCEG score recompute
  17. 2026-06-24 06:51 UTCGHSA enrichment
  18. 2026-06-23 21:33 UTCEPSS rescore
  19. 2026-06-23 08:12 UTCEG score recompute▼ 1.90
  20. 2026-06-23 08:12 UTCGHSA enrichment
  21. 2026-06-22 19:36 UTCNVD updateCVSS v3 → 6.5 · severity → MEDIUM
  22. 2026-06-22 18:49 UTCEG score recompute
  23. 2026-06-22 18:49 UTCGHSA enrichment
  24. 2026-06-22 14:25 UTCEPSS rescore
  25. 2026-06-22 14:25 UTCEPSS rescore
  26. 2026-06-22 05:50 UTCEG score recompute
  27. 2026-06-22 05:50 UTCGHSA enrichment
  28. 2026-06-21 16:49 UTCEG score recompute
  29. 2026-06-21 16:49 UTCGHSA enrichment
  30. 2026-06-21 14:56 UTCEPSS rescore
  31. 2026-06-21 14:56 UTCEPSS rescore
  32. 2026-06-21 03:47 UTCEG score recompute
  33. 2026-06-21 03:46 UTCGHSA enrichment
  34. 2026-06-21 01:59 UTCEPSS rescore
  35. 2026-06-20 14:48 UTCEG score recompute
  36. 2026-06-20 14:48 UTCGHSA enrichment
  37. 2026-06-20 01:50 UTCEG score recompute
  38. 2026-06-20 01:50 UTCGHSA enrichment
  39. 2026-06-19 19:25 UTCEPSS rescore
  40. 2026-06-19 12:44 UTCEG score recompute
  41. 2026-06-19 12:44 UTCGHSA enrichment
  42. 2026-06-18 23:36 UTCEG score recompute
  43. 2026-06-18 23:36 UTCGHSA enrichment
  44. 2026-06-18 17:52 UTCEPSS rescore
  45. 2026-06-18 17:52 UTCEPSS rescore
  46. 2026-06-18 10:39 UTCEG score recompute
  47. 2026-06-18 10:39 UTCGHSA enrichment
  48. 2026-06-17 21:37 UTCEG score recompute
  49. 2026-06-17 21:37 UTCGHSA enrichment
  50. 2026-06-17 17:53 UTCEPSS rescore
  51. 2026-06-17 08:40 UTCEG score recompute
  52. 2026-06-17 08:39 UTCGHSA enrichment
  53. 2026-06-16 19:38 UTCEG score recompute
  54. 2026-06-16 19:38 UTCGHSA enrichment
  55. 2026-06-16 17:52 UTCEPSS rescore
  56. 2026-06-16 06:40 UTCEG score recompute
  57. 2026-06-16 06:40 UTCGHSA enrichment
  58. 2026-06-15 17:49 UTCEPSS rescore
  59. 2026-06-15 17:43 UTCEG score recompute
  60. 2026-06-15 17:43 UTCGHSA enrichment
  61. 2026-06-15 04:41 UTCEG score recompute
  62. 2026-06-15 04:41 UTCGHSA enrichment
  63. 2026-06-14 15:43 UTCEG score recompute
  64. 2026-06-14 15:43 UTCGHSA enrichment
  65. 2026-06-14 02:45 UTCEG score recompute
  66. 2026-06-14 02:45 UTCGHSA enrichment
  67. 2026-06-13 23:00 UTCEPSS rescore
  68. 2026-06-13 13:48 UTCEG score recompute
  69. 2026-06-13 13:48 UTCGHSA enrichment
  70. 2026-06-13 00:48 UTCEG score recompute
  71. 2026-06-13 00:48 UTCGHSA enrichment
  72. 2026-06-12 23:12 UTCEPSS rescore
  73. 2026-06-12 23:12 UTCEPSS rescore
  74. 2026-06-12 11:51 UTCEG score recompute
  75. 2026-06-12 11:51 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-45173?
CVE-2026-45173 is a medium vulnerability published on June 11, 2026. Idira Identity Browser Extension (Chrome, Firefox, and Edge builds) versions prior to 26.8.1 exhibit an origin validation flaw within its internal web-page verification routines. If an authenticated user navigates to a specially crafted webpage, this interaction could potentially allow a remote…
When was CVE-2026-45173 disclosed?
CVE-2026-45173 was first published in the National Vulnerability Database on June 11, 2026, with the most recent update on June 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-45173 actively exploited?
CVE-2026-45173 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-45173?
CVE-2026-45173 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-45173?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-45173, 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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