Penpot up to 2.17.x Logout missing secure attribute

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k1.16

Summaryinfo

A vulnerability classified as problematic has been found in Penpot up to 2.17.x. Affected is an unknown function of the component Logout. This manipulation causes missing secure attribute. This vulnerability is tracked as CVE-2026-105690. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Penpot up to 2.17.x and classified as problematic. Affected by this vulnerability is some unknown processing of the component Logout. The manipulation with an unknown input leads to a missing secure attribute vulnerability. The CWE definition for the vulnerability is CWE-614. The Secure attribute for sensitive cookies in HTTPS sessions is not set, which could cause the user agent to send those cookies in plaintext over an HTTP session. As an impact it is known to affect confidentiality. The summary by CVE is:

Penpot is an open-source design and prototyping platform. Prior to 2.18.0, logout clears the browser's auth-token cookie without revoking the corresponding server-side session. A previously captured session token remains usable after the victim logs out and can continue to make authenticated requests with the victim's authority until natural expiration. This issue is fixed in version 2.18.0.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-105690 since 10/05/2026. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1539 for this issue.

Upgrading to version 2.18.0 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.9
CNA Vector (GitHub_M): 🔒

CVSSv2info

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

Exploitinginfo

Class: Missing secure attribute
CWE: CWE-614 / CWE-1004 / CWE-732
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: Penpot 2.18.0

Timelineinfo

10/05/2026 Advisory disclosed
10/05/2026 +0 days CVE reserved
10/05/2026 +0 days VulDB entry created
10/05/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-105690 (🔒)
GCVE (CVE): GCVE-0-2026-105690
GCVE (VulDB): GCVE-100-413797

Entryinfo

Created: 10/05/2026 22:25
Changes: 10/05/2026 22:25 (63)
Complete: 🔍
Cache ID: 216::103

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