---
title: "CVE-2026-112779: Grav API plugin - Denial of Service & Broken Access Control"
description: "Grav API plugin 1.0.40 before 1.0.42 contains a denial of service caused by caching full translation dictionaries for every language code on unauthenticated GET /api/v1/translations/{lang}, and broken access control in sync and batch copy endpoints, letting unauthenticated attackers exhaust disk or APCu and authenticated users with api.pages.write overwrite translations or create pages bypassing page-level rules."
url: https://panop.io/threat-heartbeat/CVE-2026-112779/
---

# CVE-2026-112779 Grav API plugin - Denial of Service & Broken Access Control

Grav API plugin 1.0.40 before 1.0.42 contains a denial of service caused by caching full translation dictionaries for every language code on unauthenticated GET /api/v1/translations/{lang}, and broken access control in sync and batch copy endpoints, letting unauthenticated attackers exhaust disk or APCu and authenticated users with api.pages.write overwrite translations or create pages bypassing page-level rules.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-112779)

## Details

Type

Denial of Service

Impact

Denial Of Service, Broken Access Control

CVSS vector

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

Published

19 October 2026

Updated

20 October 2026

Weakness

[CWE-770](https://cwe.mitre.org/data/definitions/770.html)

## Vendor fix

Update to version 1.0.42 or later.

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-2026-112779](https://nvd.nist.gov/vuln/detail/CVE-2026-112779)
- [https://github.com/getgrav/grav/security/advisories/GHSA-8pcm-97fc-4xwh](https://github.com/getgrav/grav/security/advisories/GHSA-8pcm-97fc-4xwh)
- [https://www.vulncheck.com/advisories/grav-api-plugin-before-1.0.42-cache-exhaustion-and-page-permission-bypass](https://www.vulncheck.com/advisories/grav-api-plugin-before-1.0.42-cache-exhaustion-and-page-permission-bypass)

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## 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

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