knowns-dev knowns up to 0.29.x Code Actions code.replace authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k1.12+

Summaryinfo

A vulnerability, which was classified as problematic, was found in knowns-dev knowns up to 0.29.x. This vulnerability affects the function code.replace of the component Code Actions. Executing a manipulation can lead to authorization. This vulnerability appears as CVE-2026-86544. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in knowns-dev knowns up to 0.29.x. It has been declared as problematic. This vulnerability affects the function code.replace of the component Code Actions. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. As an impact it is known to affect integrity, and availability. CVE summarizes:

knowns versions before 0.30.0 contain an authorization bypass vulnerability where mutating code actions are incorrectly classified as read-only operations. Attackers with read-restricted sessions can exploit code.replace to modify permission configurations and escalate privileges on subsequent calls.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-86544 since 09/08/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available.

Upgrading to version 0.30.0 eliminates this vulnerability.

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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: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
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: Authorization
CWE: CWE-639 / CWE-285 / 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: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: knowns 0.30.0

Timelineinfo

09/07/2026 VulDB entry created
09/08/2026 +0 days Advisory disclosed
09/08/2026 +0 days CVE reserved
09/08/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-86544 (🔒)
GCVE (CVE): GCVE-0-2026-86544
GCVE (VulDB): GCVE-100-399688

Entryinfo

Created: 09/08/2026 01:28
Changes: 09/08/2026 01:28 (77)
Complete: 🔍
Cache ID: 216::103

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