CVE-2026-100884
CVE-2026-100884 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-99.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- CVSS v2: 4.0
- CVSS v4: 2.1
- EPSS exploit prediction: 0% (40th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-99
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2026-100884?
- 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.
- How severe is CVE-2026-100884?
- CVE-2026-100884 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2026-100884 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-100884?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2026-100884 published?
- CVE-2026-100884 was published on 2026-09-27 and last updated on 2026-09-28.
References
- https://github.com/carlosalbertotuma/advisory/blob/main/advisory-06-IDOR-Email-Attachment%20Download.md
- https://github.com/krayin/laravel-crm/
- https://github.com/krayin/laravel-crm/commit/13d6988cda8d69ece45ee1890effc90a7f21cdc1
- https://github.com/krayin/laravel-crm/issues/2624
- https://github.com/krayin/laravel-crm/pull/2627
- https://github.com/krayin/laravel-crm/releases/tag/v2.2.6
- https://vuldb.com/cve/CVE-2026-100884
- https://vuldb.com/submit/916218
- https://vuldb.com/vuln/410814
- https://vuldb.com/vuln/410814/cti
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