---
title: "CVE-2026-37107: HTMLy - Privilege Escalation"
description: "HTMLy 3.1.1 contains a privilege escalation caused by improper access control in the get_feed function of admin.php, letting remote attackers escalate privileges, exploit requires remote access."
url: https://panop.io/threat-heartbeat/CVE-2026-37107/
---

# CVE-2026-37107 HTMLy - Privilege Escalation

HTMLy 3.1.1 contains a privilege escalation caused by improper access control in the get\_feed function of admin.php, letting remote attackers escalate privileges, exploit requires remote access.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

Proof of concept available

Authentication

Not required

EPSS

0.38% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-37107)

## Details

Type

Privilege Escalation

Impact

Privilege Escalation

CVSS vector

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

Published

13 October 2026

Updated

15 October 2026

Weakness

[CWE-269](https://cwe.mitre.org/data/definitions/269.html)

## Vendor fix

Update to the latest version of HTMLy.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-37107](https://nvd.nist.gov/vuln/detail/CVE-2026-37107)
- [https://www.htmly.com/](https://www.htmly.com/)
- [https://gist.github.com/KyrieKlay/b61a7563d7887d2a01060fcb0bf825eb](https://gist.github.com/KyrieKlay/b61a7563d7887d2a01060fcb0bf825eb)
- [https://github.com/danpros/htmly/releases/tag/v3.1.1](https://github.com/danpros/htmly/releases/tag/v3.1.1)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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