CVE-2026-54103

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-18. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 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

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

The U.S. Government Accountability Office (GAO) Electronic Protest Docketing System (EPDS) and Civilian Board of Contract Appeals (CBCA) Electronic Docketing System (EDS) does not authenticate password change requests to the '/update-profile/N' API endpoint. A remote, unauthenticated attacker could change an arbitrary user's password.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
52%
KEV
Not listed

Published

June 18, 2026

Last Modified

June 22, 2026

Advisory Details (3)

Auto-updated Jul 25, 2026
No patch confirmed yet.
generic
https://www.cve.org/CVERecord?id=CVE-2026-54103
generic
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-169-01.json
generic

EPDS

https://epds.gao.gov/

Vendor Advisories for CVE-2026-54103(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 16× in last 7d / 152× 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 213 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-54103?
CVE-2026-54103 is a critical vulnerability published on June 18, 2026. The U.S. Government Accountability Office (GAO) Electronic Protest Docketing System (EPDS) and Civilian Board of Contract Appeals (CBCA) Electronic Docketing System (EDS) does not authenticate password change requests to the '/update-profile/N' API endpoint. A remote, unauthenticated attacker could…
When was CVE-2026-54103 disclosed?
CVE-2026-54103 was first published in the National Vulnerability Database on June 18, 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-2026-54103 actively exploited?
CVE-2026-54103 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 48.1% of all scored CVEs.
What is the CVSS score of CVE-2026-54103?
CVE-2026-54103 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-54103?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-54103, 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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