PatchSiren cyber security CVE debrief
CVE-2026-100884 Krayin CVE debrief
A vulnerability was found in Krayin laravel-crm up to 2.2.5, affecting the attachment-download endpoint. The issue is due to improper control of resource identifiers in the Storage::download function. This vulnerability allows remote attackers to access unauthorized files. Upgrading to version 2.2.6 resolves this issue. The patch 13d6988cda8d69ece45ee1890effc90a7f21cdc1 has been applied to fix the vulnerability. Defenders should assess exposure and prioritize upgrading vulnerable systems.
- Vendor
- Krayin
- Product
- laravel-crm
- CVSS
- LOW 2.1
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-09-27
- Original CVE updated
- 2026-09-27
- Advisory published
- 2026-09-27
- Advisory updated
- 2026-09-27
Who should care
Defenders responsible for Krayin laravel-crm systems should assess exposure and prioritize upgrading vulnerable systems to prevent potential exploitation. The vulnerability affects the attachment-download endpoint, allowing improper control of resource identifiers. Upgrading to version 2.2.6 resolves this issue. Defenders should verify exposure and upgrade vulnerable systems to prevent data breaches.
Why it matters
Defenders should prioritize verifying exposure and upgrading vulnerable Krayin laravel-crm systems to prevent potential exploitation. The vulnerability affects the attachment-download endpoint, allowing improper control of resource identifiers. Upgrading to version 2.2.6 resolves this issue.
- Verify exposure and upgrade vulnerable systems to prevent potential exploitation
- Monitor for potential exploitation attempts to detect possible attacks
Technical summary
The vulnerability affects the attachment-download endpoint in Krayin laravel-crm up to 2.2.5, allowing improper control of resource identifiers. The issue is resolved in version 2.2.6 with patch 13d6988cda8d69ece45ee1890effc90a7f21cdc1. Defenders should prioritize verifying exposure and upgrading vulnerable systems. The vulnerability allows remote attackers to access unauthorized files, potentially leading to data breaches. Upgrading to version 2.2.6 or later mitigates this vulnerability. The patch fixes the improper control of resource identifiers, preventing unauthorized file access.
Defensive priority
Defenders should prioritize verifying exposure and upgrading vulnerable systems.
Recommended defensive actions
- Verify exposure by checking system versions and configurations
- Upgrade vulnerable systems to version 2.2.6 or later
- Monitor for potential exploitation attempts
- Review compensating controls for exposed systems while remediation is scheduled and verified
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
- Track exceptions, retest remediated assets, and close the item only after evidence is documented
- Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
Evidence notes
The CVE record and source references provide details on the vulnerability and its resolution. The vulnerability affects Krayin laravel-crm up to 2.2.5. The patch has been applied to fix the vulnerability. Evidence is limited to public sources and may not be comprehensive. Defenders should verify exposure and upgrade vulnerable systems. The vulnerability allows improper control of resource identifiers, potentially leading to unauthorized file access.
Sources and references
Verified primary and authoritative sources
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CVE-2026-100884 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-100884
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-100884 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-100884
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Source reference
Unverified legacy reference
URL: https://github.com/carlosalbertotuma/advisory/blob/main/advisory-06-IDOR-Email-Attachment%20Download.md
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Source reference
Unverified legacy reference
URL: https://github.com/krayin/laravel-crm/
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Source reference
Unverified legacy reference
URL: https://github.com/krayin/laravel-crm/commit/13d6988cda8d69ece45ee1890effc90a7f21cdc1
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Source reference
Unverified legacy reference
URL: https://github.com/krayin/laravel-crm/issues/2624
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Source reference
Unverified legacy reference
URL: https://github.com/krayin/laravel-crm/pull/2627
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Source reference
Unverified legacy reference
URL: https://github.com/krayin/laravel-crm/releases/tag/v2.2.6
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Source reference
Unverified legacy reference
URL: https://vuldb.com/cve/CVE-2026-100884
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Source reference
Unverified legacy reference
URL: https://vuldb.com/submit/916218
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.