meltano hub Workflow pull_request_target permission

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.59

Summaryinfo

A vulnerability has been found in meltano hub and classified as critical. Affected is the function pull_request_target of the component Workflow. The manipulation leads to permission. This vulnerability is listed as CVE-2026-47690. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in meltano hub (the affected version unknown) and classified as critical. This issue affects the function pull_request_target of the component Workflow. The manipulation with an unknown input leads to a permission vulnerability. Using CWE to declare the problem leads to CWE-275. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

MeltanoHub is the source code for hub.meltano.com, the central place for Meltano plugins. Versions of the repo prior to commit 923820de8f64d753951fbbd54f7282a3d5f75173 were vulnerable to exfiltration of `GITHUB_TOKEN` with write permissions to the repository. The vulnerable workflow used pull_request_target, which runs in the context of the base repository with access to secrets. Commit 923820de8f64d753951fbbd54f7282a3d5f75173 fixes the issue. No known workarounds are available.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-47690 since 05/19/2026. The exploitation is known to be easy. The attack may be initiated remotely. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1222 according to MITRE ATT&CK.

Applying the patch 923820de8f64d753951fbbd54f7282a3d5f75173 is able to eliminate this problem.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Permission
CWE: CWE-275 / CWE-266
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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Patch: 923820de8f64d753951fbbd54f7282a3d5f75173

Timelineinfo

05/19/2026 CVE reserved
07/21/2026 +63 days Advisory disclosed
07/21/2026 +0 days VulDB entry created
07/21/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-47690 (🔒)
GCVE (CVE): GCVE-0-2026-47690
GCVE (VulDB): GCVE-100-381083

Entryinfo

Created: 07/21/2026 23:26
Changes: 07/21/2026 23:26 (53)
Complete: 🔍
Cache ID: 216::103

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