OpenWrt luci-app-https-dns-proxy prior 2026-01-17 luci.https-dns-proxy setInitAction Name os command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.5$0-$5k0.94

Summaryinfo

A vulnerability labeled as very critical has been found in OpenWrt luci-app-https-dns-proxy. The affected element is the function setInitAction of the file /usr/libexec/rpcd/luci.https-dns-proxy. Such manipulation of the argument Name leads to os command injection. This vulnerability is uniquely identified as CVE-2026-26899. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in OpenWrt luci-app-https-dns-proxy. Affected by this issue is the function setInitAction of the file /usr/libexec/rpcd/luci.https-dns-proxy. The manipulation of the argument name with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in luci-app-https-dns-proxy on OpenWrt PR #15 (< 2026-01-17). The setInitAction function in /usr/libexec/rpcd/luci.https-dns-proxy allows authenticated users to execute arbitrary shell commands via shell metacharacters in the name parameter

The advisory is available at github.com. This vulnerability is handled as CVE-2026-26899 since 02/16/2026. The exploitation is known to be easy. The attack may be launched remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/27/2026). This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

Upgrading to version 2026-01-17 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.5

VulDB Base Score: 9.9
VulDB Temp Score: 9.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
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: luci-app-https-dns-proxy 2026-01-17

Timelineinfo

02/16/2026 CVE reserved
08/27/2026 +191 days Advisory disclosed
08/27/2026 +0 days VulDB entry created
08/27/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-26899 (🔒)
GCVE (CVE): GCVE-0-2026-26899
GCVE (VulDB): GCVE-100-396182

Entryinfo

Created: 08/27/2026 19:33
Changes: 08/27/2026 19:33 (57)
Complete: 🔍
Cache ID: 216::103

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