CVE-2026-86771

8.3 highEPSS 0.3%

High (8.3) in snipeitapp snipe-it. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.3 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:L/SC:H/SI:N/SA:L

CVSS 3.1

7.6 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:L

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 24% of CVEs (scores of 2026-10-31)
CWE: CWE-918
Published: 2026-09-09
Modified: 2026-09-16
Record from: the NVD, synced 2026-10-19

Affected

snipeitapp:snipe-it

References

https://github.com/grokability/snipe-it/security/advisories/GHSA-73xg-j94v-gjcf
https://www.vulncheck.com/advisories/snipe-it-before-8.7.0-server-side-request-forgery-via-employee-num

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