CVE-2026-15187

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-07-09. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this weekElevated
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: Elevated riskExposed: 0

A fix is available — apply it.

A security flaw has been discovered in enquirer up to 2.4.1. Affected is the function Enquirer.set of the component Public Package API. The manipulation of the argument question.name results in improperly controlled modification of object prototype attributes. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report.

CVSS v3
4.3
EG Score
4.3(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity43% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
37%
KEV
Not listed

Published

July 9, 2026

Last Modified

September 3, 2026

Advisory Details (3)

Auto-updated Jul 9, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Prototype pollution through public `Enquirer` prompt flow when `question.name` contains `__proto__` · Issue #487 · enquirer/enquirer · GitHub

https://github.com/enquirer/enquirer/issues/487#issuecomment-4648521328
generic🟡 PoC Available

Prototype pollution through public `Enquirer` prompt flow when `question.name` contains `__proto__` · Issue #487 · enquirer/enquirer · GitHub

https://github.com/enquirer/enquirer/issues/487
generic

GitHub - enquirer/enquirer: Stylish, intuitive and user-friendly prompts. Used by eslint, webpack, yarn, pm2, pnpm, RedwoodJS, FactorJS, salesforce, Cypress, Google Lighthouse, Generate, tencent cloudbase, lint-staged, gluegun, hygen, hardhat, AWS Amplify, GitHub Actions Toolkit, @airbnb/nimbus, and more! Please follow Enquirer's author: https://github.com/jonschlinkert · GitHub

https://github.com/enquirer/enquirer/

Vendor Advisories for CVE-2026-15187(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatrust-main-1.96.1-1.hum12026-07-02redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 13× 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.

Showing the most recent 100 of 190 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-15187?
CVE-2026-15187 is a medium vulnerability published on July 9, 2026. A security flaw has been discovered in enquirer up to 2.4.1. Affected is the function Enquirer.set of the component Public Package API. The manipulation of the argument question.name results in improperly controlled modification of object prototype attributes. The attack can be launched remotely.…
When was CVE-2026-15187 disclosed?
CVE-2026-15187 was first published in the National Vulnerability Database on July 9, 2026, with the most recent update on September 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15187 actively exploited?
CVE-2026-15187 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 63.4% of all scored CVEs.
What is the CVSS score of CVE-2026-15187?
CVE-2026-15187 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-15187?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15187, 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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