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
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 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)
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%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
23%
KEV
Not listed

Published

May 1, 2026

Last Modified

May 4, 2026

Advisory Details (1)

Auto-updated Aug 26, 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 6× in last 7d / 87× 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 262 total refreshes for this CVE.

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

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 0% probability of exploitation in the next 30 days, which ranks it in the top 77.1% of all scored CVEs.
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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