CVE-2026-42994

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2026-05-01. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.8Exploit: NoneExposed: 0

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

Bitwarden CLI 2026.4.0 from 2026-04-22T21:57Z to 2026-04-22T23:30Z, when obtained from npm, had embedded malicious code. This is related to a Checkmarx supply chain incident.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
22.6%
KEV
Not listed

Published

May 1, 2026

Last Modified

May 4, 2026

Advisory Details (1)

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

Bitwarden Statement on Checkmarx Supply Chain Incident - Notices - Bitwarden Community Forums

https://community.bitwarden.com/t/bitwarden-statement-on-checkmarx-supply-chain-incident/96127

Weakness Classification(2)

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

Data Freshness Timeline

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-42994?
CVE-2026-42994 is a critical vulnerability published on May 1, 2026. Bitwarden CLI 2026.4.0 from 2026-04-22T21:57Z to 2026-04-22T23:30Z, when obtained from npm, had embedded malicious code. This is related to a Checkmarx supply chain incident.
When was CVE-2026-42994 disclosed?
CVE-2026-42994 was first published in the National Vulnerability Database on May 1, 2026, with the most recent update on May 4, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-42994 actively exploited?
CVE-2026-42994 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-42994?
CVE-2026-42994 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-42994?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-42994, 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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