pagekit up to 1.0.18 download url server-side request forgery

Summaryinfo

A vulnerability was found in pagekit up to 1.0.18. It has been declared as critical. This affects an unknown part of the file /index.php/admin/system/update/download. The manipulation of the argument url results in server-side request forgery. This vulnerability is identified as CVE-2026-6983. The attack can be executed remotely. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as critical, was found in pagekit up to 1.0.18. Affected is some unknown processing of the file /index.php/admin/system/update/download. The manipulation of the argument url with an unknown input leads to a server-side request forgery vulnerability. CWE is classifying the issue as CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is available at yuque.com. This vulnerability is traded as CVE-2026-6983. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation needs additional levels of successful authentication. Technical details and a public exploit are known.

The exploit is shared for download at yuque.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

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

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.7
VulDB Temp Score: 4.3
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: Server-side request forgery
CWE: CWE-918
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
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

04/24/2026 Advisory disclosed
04/24/2026 +0 days VulDB entry created
04/24/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: yuque.com
Status: Not defined

CVE: CVE-2026-6983 (🔒)
GCVE (CVE): GCVE-0-2026-6983
GCVE (VulDB): GCVE-100-359526
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/24/2026 21:10
Changes: 04/24/2026 21:10 (55)
Complete: 🔍
Submitter: fortuneh2c
Cache ID: 216::103

Submitinfo

Accepted

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