CVE-2026-18986

MEDIUMPre-NVD 4.84.8—
EchelonGraph scoreMEDIUM confidence

Score 4.8 from GitHub Security Advisory published 2026-09-02. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
4.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 4.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Entity Browser allows Stored XSS. This issue affects Entity Browser versions: from 0.0.0 to 2.16.0.

CVSS v3
4.8
EG Score
4.8MEDIUMmedium confidence
EG Risk
22
EG Risk 22/100CISA SSVC

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
Severity48% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.1%
EPSS %ILE
2nd
KEV
Not listed

CISA SSVCTrack at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 2, 2026

Last Modified

September 8, 2026

Advisory Details (1)

Auto-updated Sep 2, 2026
Patch available.
generic

Entity Browser - Moderately critical - Cross site scripting - SA-CONTRIB-2026-094 | Drupal.org

https://www.drupal.org/sa-contrib-2026-094

Vendor Advisories for CVE-2026-18986(1)

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

Affected Packages

(1 across 1 ecosystem)
Packagist:https://packages.drupal.org/8(1)
PackageVulnerable rangeFix by version rangeDependents
drupal/entity_browser—
  • every version up to 2.16.0: fixed in 2.16.0
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 18× in last 7d / 77× 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.

  1. 2026-10-05 00:07 UTCEG score recompute
  2. 2026-10-05 00:07 UTCGHSA enrichment
  3. 2026-10-04 23:21 UTCEPSS rescore
  4. 2026-10-04 01:10 UTCEG score recompute
  5. 2026-10-04 01:10 UTCGHSA enrichment
  6. 2026-10-03 00:25 UTCEG score recompute
  7. 2026-10-03 00:25 UTCGHSA enrichment
  8. 2026-10-02 01:12 UTCEG score recompute
  9. 2026-10-02 01:12 UTCGHSA enrichment
  10. 2026-10-01 19:49 UTCEPSS rescore
  11. 2026-10-01 02:10 UTCEG score recompute
  12. 2026-10-01 02:10 UTCGHSA enrichment
  13. 2026-09-30 15:02 UTCEPSS rescore
  14. 2026-09-30 03:07 UTCEG score recompute
  15. 2026-09-30 03:07 UTCGHSA enrichment
  16. 2026-09-29 15:20 UTCEPSS rescore
  17. 2026-09-29 01:56 UTCEG score recompute
  18. 2026-09-29 01:56 UTCGHSA enrichment
  19. 2026-09-28 13:51 UTCEPSS rescore
  20. 2026-09-28 03:01 UTCEG score recompute
  21. 2026-09-28 03:01 UTCGHSA enrichment
  22. 2026-09-27 13:47 UTCEPSS rescore
  23. 2026-09-27 04:05 UTCEG score recompute
  24. 2026-09-27 04:05 UTCGHSA enrichment
  25. 2026-09-26 15:58 UTCEPSS rescore
Show 68 more
  1. 2026-09-26 04:57 UTCEG score recompute
  2. 2026-09-26 04:57 UTCGHSA enrichment
  3. 2026-09-24 22:00 UTCEG score recompute
  4. 2026-09-24 22:00 UTCGHSA enrichment
  5. 2026-09-23 22:33 UTCEG score recompute
  6. 2026-09-23 22:33 UTCGHSA enrichment
  7. 2026-09-22 23:38 UTCEG score recompute
  8. 2026-09-22 23:38 UTCGHSA enrichment
  9. 2026-09-22 00:28 UTCEG score recompute
  10. 2026-09-22 00:28 UTCGHSA enrichment
  11. 2026-09-21 01:32 UTCEG score recompute
  12. 2026-09-21 01:32 UTCGHSA enrichment
  13. 2026-09-20 02:36 UTCEG score recompute
  14. 2026-09-20 02:36 UTCGHSA enrichment
  15. 2026-09-19 03:41 UTCEG score recompute
  16. 2026-09-19 03:41 UTCGHSA enrichment
  17. 2026-09-18 19:27 UTCEPSS rescore
  18. 2026-09-18 04:46 UTCEG score recompute
  19. 2026-09-18 04:46 UTCGHSA enrichment
  20. 2026-09-17 05:51 UTCEG score recompute
  21. 2026-09-17 05:50 UTCGHSA enrichment
  22. 2026-09-16 14:07 UTCEPSS rescore
  23. 2026-09-16 06:49 UTCEG score recompute
  24. 2026-09-16 06:49 UTCGHSA enrichment
  25. 2026-09-16 05:14 UTCEPSS rescore
  26. 2026-09-15 07:53 UTCEG score recompute
  27. 2026-09-15 07:53 UTCGHSA enrichment
  28. 2026-09-14 08:57 UTCEG score recompute
  29. 2026-09-14 08:57 UTCGHSA enrichment
  30. 2026-09-13 16:46 UTCEPSS rescore
  31. 2026-09-13 10:02 UTCGHSA enrichment
  32. 2026-09-12 11:06 UTCEG score recompute
  33. 2026-09-12 11:06 UTCGHSA enrichment
  34. 2026-09-11 14:52 UTCEPSS rescore
  35. 2026-09-11 12:08 UTCEG score recompute
  36. 2026-09-11 12:08 UTCGHSA enrichment
  37. 2026-09-11 09:36 UTCEPSS rescore
  38. 2026-09-10 13:13 UTCEG score recompute
  39. 2026-09-10 13:13 UTCGHSA enrichment
  40. 2026-09-10 09:34 UTCEPSS rescore
  41. 2026-09-09 14:18 UTCEG score recompute
  42. 2026-09-09 14:18 UTCGHSA enrichment
  43. 2026-09-08 22:00 UTCEPSS rescore
  44. 2026-09-08 15:22 UTCGHSA enrichment
  45. 2026-09-08 08:02 UTCEG score recompute
  46. 2026-09-08 08:02 UTCGHSA enrichment
  47. 2026-09-07 16:01 UTCEPSS rescore
  48. 2026-09-07 09:06 UTCEG score recompute
  49. 2026-09-07 09:06 UTCGHSA enrichment
  50. 2026-09-06 13:47 UTCEPSS rescore
  51. 2026-09-06 10:11 UTCEG score recompute
  52. 2026-09-06 10:11 UTCGHSA enrichment
  53. 2026-09-05 11:14 UTCEG score recompute
  54. 2026-09-05 11:14 UTCGHSA enrichment
  55. 2026-09-04 12:18 UTCEG score recompute
  56. 2026-09-04 12:18 UTCGHSA enrichment
  57. 2026-09-04 05:06 UTCEPSS rescore
  58. 2026-09-03 13:22 UTCEG score recompute
  59. 2026-09-03 13:22 UTCGHSA enrichment
  60. 2026-09-02 14:26 UTCEG score recompute▲ 4.80
  61. 2026-09-02 14:22 UTCNVD updateCVSS v3 → 4.8 · severity → MEDIUM
  62. 2026-09-02 14:11 UTCEG score recompute▼ 4.80
  63. 2026-09-02 14:09 UTCNVD update
  64. 2026-09-02 13:51 UTCEG score recompute▲ 4.80
  65. 2026-09-02 13:48 UTCMITRE cvelistV5CVSS v3 → 4.8 · severity → MEDIUM
  66. 2026-09-02 13:25 UTCNVD update
  67. 2026-09-02 12:54 UTCEG score recompute
  68. 2026-09-02 12:53 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-18986?
CVE-2026-18986 is a medium vulnerability published on September 2, 2026. Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Entity Browser allows Stored XSS. This issue affects Entity Browser versions: from 0.0.0 to 2.16.0.
When was CVE-2026-18986 disclosed?
CVE-2026-18986 was first published on September 2, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-18986 actively exploited?
CVE-2026-18986 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (2nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-18986?
CVE-2026-18986 has a CVSS v3.1 base score of 4.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-18986?
A fix for CVE-2026-18986 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-18986 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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