CVE-2026-86771

Snipe-IT before 8.7.0 Server-Side Request Forgery via employee_num

HIGH
7.6
CVSS Score
Published: September 9, 2026 at 01:32 PM UTC
Updated: September 16, 2026 at 08:44 PM UTC
2 products affected across 2 vendorsSnipe ITSnipe-IT

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Severity
HIGH7.6
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

Snipe-IT versions before 8.7.0 fail to HTML-escape the employee_num field in the acceptance PDF generator, allowing attackers with users.edit permission to inject img tags into TCPDF's writeHTML() function. Attackers can craft a malicious employee_num value containing an img tag with an arbitrary HTTP(S) URL to trigger server-side requests to internal services, cloud metadata endpoints, or external targets when a victim signs an asset acceptance.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 8.7.08.6.3 ≤ v < 8.7.0
Affected range stops below 8.7.0, so it looks safe — our inference, not a vendor statement
8.6.3 ≤ v < 8.7.08.6.3
Vendor states this is fixed in 8.7.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.6HIGHVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-918

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