CVE-2026-100884

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-09-28. A secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 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: 0.5%CVSS: 4.3Exploit: Elevated riskExposed services: Not assessed

A fix is available — apply it.

A vulnerability has been found in Krayin laravel-crm up to 2.2.5. The impacted element is the function Storage::download of the file packages/Webkul/Admin/src/Config/acl.php of the component attachment-download Endpoint. The manipulation of the argument ID leads to improper control of resource identifiers. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.2.6 is sufficient to resolve this issue. The identifier of the patch is 13d6988cda8d69ece45ee1890effc90a7f21cdc1. It is suggested to upgrade the affected component.

CVSS v3
4.3
EG Score
4.3MEDIUMhigh confidence
EG Risk
35
EG Risk 35/100CISA 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
Severity43% × 45%
Exploitation40% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.5%
EPSS %ILE
39th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

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

Exploitation public PoC (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 27, 2026

Last Modified

September 28, 2026

Advisory Details (6)

Auto-updated Sep 27, 2026
🔬 Proof of concept available. Patch available. Sources: github_pr, github_commit, github_release.
generic

GitHub - krayin/laravel-crm: Krayin CRM is Free & Open Source CRM Built with Laravel for Customer, Lead, and Sales Management. · GitHub

https://github.com/krayin/laravel-crm/
github_release Patch Available

v2.2.6

Patch available: krayin/laravel-crm v2.2.6

https://github.com/krayin/laravel-crm/releases/tag/v2.2.6
github_commit Patch Available

commit 13d6988cda8d (krayin/laravel-crm)

Patch available: krayin/laravel-crm v2.2.6 (contains commit 13d6988cda8d)

https://github.com/krayin/laravel-crm/commit/13d6988cda8d69ece45ee1890effc90a7f21cdc1
generic🟡 PoC Available

advisory/advisory-06-IDOR-Email-Attachment Download.md at main · carlosalbertotuma/advisory · GitHub

https://github.com/carlosalbertotuma/advisory/blob/main/advisory-06-IDOR-Email-Attachment%20Download.md
github_pr Patch Available

fix issue IDOR in Email Attachment Download #2624

Patch available: krayin/laravel-crm v2.2.6 (PR #2627 merged 2026-08-07)

https://github.com/krayin/laravel-crm/pull/2627
generic

IDOR in Email Attachment Download (Krayin CRM ≤ 2.2.5) · Issue #2624 · krayin/laravel-crm · GitHub

https://github.com/krayin/laravel-crm/issues/2624

Vendor Advisories for CVE-2026-100884(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 26× in last 7d / 30× 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 01:23 UTCEG score recompute
  2. 2026-10-05 01:23 UTCGHSA enrichment
  3. 2026-10-04 23:21 UTCEPSS rescore
  4. 2026-10-03 23:47 UTCEG score recompute
  5. 2026-10-03 23:47 UTCGHSA enrichment
  6. 2026-10-03 14:25 UTCEPSS rescore
  7. 2026-10-02 22:08 UTCEG score recompute
  8. 2026-10-02 22:08 UTCGHSA enrichment
  9. 2026-10-01 20:30 UTCEG score recompute
  10. 2026-10-01 20:30 UTCGHSA enrichment
  11. 2026-10-01 19:49 UTCEPSS rescore
  12. 2026-09-30 18:47 UTCEG score recompute
  13. 2026-09-30 18:47 UTCGHSA enrichment
  14. 2026-09-30 15:02 UTCEPSS rescore
  15. 2026-09-29 17:05 UTCEG score recompute
  16. 2026-09-29 17:05 UTCGHSA enrichment
  17. 2026-09-29 15:20 UTCEPSS rescore
  18. 2026-09-28 15:29 UTCEG score recompute
  19. 2026-09-28 15:29 UTCGHSA enrichment
  20. 2026-09-28 13:50 UTCEPSS rescore
  21. 2026-09-28 13:29 UTCEG score recompute
  22. 2026-09-28 13:29 UTCGHSA enrichment
  23. 2026-09-28 13:29 UTCNVD updateCVSS v4 → 2.1
  24. 2026-09-28 13:07 UTCEG score recompute
  25. 2026-09-28 13:07 UTCGHSA enrichment
Show 5 more
  1. 2026-09-28 13:07 UTCMITRE cvelistV5CVSS v4 → 5.3
  2. 2026-09-27 23:35 UTCEG score recompute
  3. 2026-09-27 23:34 UTCNVD updateCVSS v4 → 2.1
  4. 2026-09-27 22:45 UTCEG score recompute
  5. 2026-09-27 22:44 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-100884?
CVE-2026-100884 is a medium vulnerability published on September 27, 2026. A vulnerability has been found in Krayin laravel-crm up to 2.2.5. The impacted element is the function Storage::download of the file packages/Webkul/Admin/src/Config/acl.php of the component attachment-download Endpoint. The manipulation of the argument ID leads to improper control of resource…
When was CVE-2026-100884 disclosed?
CVE-2026-100884 was first published on September 27, 2026, with the most recent update on September 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-100884 actively exploited?
CVE-2026-100884 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (39th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-100884?
CVE-2026-100884 has a CVSS base score of 4.3 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-100884?
A fix for CVE-2026-100884 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-100884 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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