GetGrav up to 1.0.14 grav-plugin-api translate header/content special elements in template engine

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k1.61-

Summaryinfo

A vulnerability, which was classified as critical, was found in GetGrav Grav up to 1.0.14. The affected element is the function translate of the component grav-plugin-api. Executing a manipulation of the argument header/content can lead to special elements in template engine. This vulnerability is registered as CVE-2026-75829. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability has been found in GetGrav Grav up to 1.0.14 and classified as critical. This vulnerability affects the function translate of the component grav-plugin-api. The manipulation of the argument header/content with an unknown input leads to a special elements in template engine vulnerability. The CWE definition for the vulnerability is CWE-1336. The product uses a template engine to insert or process externally-influenced input, but it does not neutralize or incorrectly neutralizes special elements or syntax that can be interpreted as template expressions or other code directives when processed by the engine. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

grav-plugin-api versions before 1.0.15 fail to validate Twig content in the translate() endpoint, allowing attackers with api.pages.write permission to persist pages with process.twig enabled. Attackers can submit crafted header and content parameters to execute server-side template injection payloads that are evaluated at render time.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-75829 since 08/18/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1221.

Upgrading to version 1.0.15 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.1
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Special elements in template engine
CWE: CWE-1336 / CWE-791 / CWE-790
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Grav 1.0.15

Timelineinfo

08/18/2026 Advisory disclosed
08/18/2026 +0 days CVE reserved
08/18/2026 +0 days VulDB entry created
08/18/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-75829 (🔒)
GCVE (CVE): GCVE-0-2026-75829
GCVE (VulDB): GCVE-100-391540

Entryinfo

Created: 08/18/2026 13:41
Changes: 08/18/2026 13:41 (78)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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