CVE-2026-86771: Snipe-IT versions before 8.7.0 fail to HTML-escape the employee_num field in the acceptance PDF generator, all

Q: How do I fix CVE-2026-86771?

snipe-it: upgrade to 8.7.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-86771 being exploited?

CVE-2026-86771 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-86771 affect?

CVE-2026-86771 affects snipe-it. Severity is high (CVSS 7.6). 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 e

Q: How urgent is CVE-2026-86771?

Priority 38/100. High severity; Public exploit reference

Routine

HIGH 7.6UPGRADE

CVE-2026-86771 is a high-severity flaw (CVSS 7.6) affecting snipe-it. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.6 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-918
Published	2026-09-09
Last modified	2026-09-16

Publisher (CNA): VulnCheck · Vendor: snipeitapp

Last updated 2026-09-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-09 14:17 UTCPublished CVE record published
2026-09-16 20:28 UTCUpdated Record last modified

snipeitapp snipe-it UPGRADE

Affected: < 8.7.0

Fixed in: 8.7.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy snipe-it || rpm -q snipe-it || snipe-it --version

2. UPGRADE to 8.7.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade snipe-it

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade snipe-it

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-86771?

snipe-it: upgrade to 8.7.0. Exact commands for each OS are on this page.

Is CVE-2026-86771 being exploited?

CVE-2026-86771 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-86771 affect?

CVE-2026-86771 affects snipe-it. Severity is high (CVSS 7.6). 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 e

How urgent is CVE-2026-86771?

Priority 38/100. High severity; Public exploit reference

Related CVEs

CVE-2026-116201 HIGH 8.8 UPGRADE Snipe-IT before 8.5.0 contains a SAML assertion replay vulnerability that allows attackers to reuse captured a
CVE-2026-116200 MEDIUM 5.9 UPGRADE Snipe-IT before 8.6.3 ignores the ldap_start_tls() return value in Ldap::connectToLdap(), allowing on-path att
CVE-2026-116199 HIGH 8.1 UPGRADE Snipe-IT before 8.6.3 contains an authentication bypass in GoogleAuthController::handleGoogleCallback, which l
CVE-2026-116198 MEDIUM 4.3 UPGRADE Snipe-IT before 8.7.0 contains a missing encryption vulnerability in Api\AssetsController::store that writes p
CVE-2026-48493 MEDIUM 5.5 UPGRADE Snipe-IT is an IT asset/license management system

References

← Back to latest CVEs