CVE-2026-86771 Snipe-IT before 8.7.0 Server-Side Request Forgery via employee_num

High 8.3 Published Updated

Attackers with edit permissions can inject malicious image tags to trigger server-side requests, potentially accessing internal services or cloud metadata.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-86771?

CVE-2026-86771 is a high-severity server-side request forgery vulnerability in Snipeitapp Snipe-It, published on 9 Sep 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-918

Which versions are affected by CVE-2026-86771?

It affects 1 product.

Products include Snipeitapp Snipe-It.

How do I fix CVE-2026-86771?

No fix has been published for CVE-2026-86771 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2026-86771 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-86771 exists.

All Snipeitapp Snipe-It vulnerabilities

Sources

Also known as GHSA-73xg-j94v-gjcf, GHSA-vf76-xm6x-r4hv.

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