Go to homepageCyberStrike

Menu

Star on GitHub · 3.4k
Sign inDownload

CVE-2026-86771

7.6 · HIGH

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()…

Published Sep 9, 2026snipeitappCWE-918EPSS 0.32%

Overview

CVE-2026-86771 is a high-severity vulnerability affecting snipeitapp snipe-it. It was published on September 9, 2026 and has a CVSS 3.1 base score of 7.6 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.6, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from snipeitapp. Update snipe-it to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
snipeitappsnipe-it>= 0, < 8.7.0Affected

References

GitHubgithub.com/grokability/snipe-it/security/advisories/GHSA-73xg-j94v-gjcfRefwww.vulncheck.com/advisories/snipe-it-before-8.7.0-server-side-request-forgery-via-employee-num

How CyberStrike helps

Frequently asked questions

What is CVE-2026-86771?

CVE-2026-86771 is a high-severity vulnerability affecting snipeitapp snipe-it. It was published on September 9, 2026 and has a CVSS 3.1 base score of 7.6 (HIGH).

How severe is CVE-2026-86771?

This vulnerability has a CVSS 3.1 base score of 7.6, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-86771?

Check the references section for vendor advisories and patches from snipeitapp. Update snipe-it to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-86771?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-86771 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related HIGH CVEs from 2026

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999
Watch the demo →