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
36%
KEV
Not listed

Published

July 9, 2026

Last Modified

July 9, 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 26× in last 7d / 110× 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 147 total refreshes for this CVE.

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

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. 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 64.5% 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.

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