Grokability Snipe-IT up to 8.6.x Markdown Image Parsing file_get_contents notes input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.47+

Summaryinfo

A vulnerability was found in Grokability Snipe-IT up to 8.6.x. It has been declared as critical. This affects the function file_get_contents of the component Markdown Image Parsing. Such manipulation of the argument notes leads to input validation. This vulnerability is referenced as CVE-2026-86751. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Grokability Snipe-IT up to 8.6.x. It has been rated as critical. Affected by this issue is the function file_get_contents of the component Markdown Image Parsing. The manipulation of the argument notes with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Snipe-IT before 8.7.0 fails to properly sanitize markdown image syntax in note fields, allowing authenticated users to read arbitrary server files and issue server-side HTTP requests. Attackers can submit markdown image syntax in checkout acceptance notes that survive HTML escaping, are expanded by CommonMark parser, and resolved by laravel-mail-auto-embed via file_get_contents or curl, exfiltrating sensitive files like .env containing APP_KEY.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-86751 since 09/08/2026. The exploitation is known to be easy. The attack may be launched remotely. Technical details are known, but there is no available exploit.

Upgrading to version 8.7.0 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Snipe-IT 8.7.0

Timelineinfo

09/08/2026 CVE reserved
09/09/2026 +1 days Advisory disclosed
09/09/2026 +0 days VulDB entry created
09/09/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-86751 (🔒)
GCVE (CVE): GCVE-0-2026-86751
GCVE (VulDB): GCVE-100-401750

Entryinfo

Created: 09/09/2026 16:13
Changes: 09/09/2026 16:13 (78)
Complete: 🔍
Cache ID: 216::103

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