mosaxiv clawlet up to 0.2.10 File Tools tools/fs_ops.go read_file/write_file/edit_file link following

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k1.26

Summaryinfo

A vulnerability described as critical has been identified in mosaxiv clawlet up to 0.2.10. Affected is the function read_file/write_file/edit_file of the file tools/fs_ops.go of the component File Tools. Executing a manipulation can lead to link following. The identification of this vulnerability is CVE-2026-15621. The attack can only be executed locally. There is no exploit available. The reported GitHub issue was closed with the label "not planned".

Detailsinfo

A vulnerability was found in mosaxiv clawlet up to 0.2.10. It has been declared as critical. This vulnerability affects the function read_file/write_file/edit_file of the file tools/fs_ops.go of the component File Tools. The manipulation with an unknown input leads to a link following vulnerability. The CWE definition for the vulnerability is CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-15621. The exploitation appears to be easy. The attack needs to be approached locally. There are known technical details, but no exploit is available.

The reported GitHub issue was closed with the label "not planned".

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-43598). 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: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Link following
CWE: CWE-59
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

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: 🔒

Timelineinfo

07/13/2026 Advisory disclosed
07/13/2026 +0 days VulDB entry created
07/14/2026 +1 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2026-15621 (🔒)
GCVE (CVE): GCVE-0-2026-15621
GCVE (VulDB): GCVE-100-378124
EUVD: 🔒

Entryinfo

Created: 07/13/2026 19:02
Updated: 07/14/2026 04:16
Changes: 07/13/2026 19:02 (54), 07/14/2026 04:16 (1)
Complete: 🔍
Submitter: Eric-b
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #855796: mosaxiv clawlet 0.2.10 Improper Link Resolution Before File Access (CWE-59) (by Eric-b)

Once again VulDB remains the best source for vulnerability data.

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