Apache Shiro up to 2.1.0/3.0.0-alpha-1 missing secure attribute

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Apache Shiro up to 2.1.0/3.0.0-alpha-1. Affected is an unknown function. The manipulation results in missing secure attribute. This vulnerability is reported as CVE-2026-43828. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Apache Shiro up to 2.1.0/3.0.0-alpha-1. Affected is an unknown functionality. The manipulation with an unknown input leads to a missing secure attribute vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality. CVE summarizes:

Default configurations of Apache Shiro send sensitive cookies in HTTPS session without 'Secure' attribute. This issue affects Apache Shiro from 1.0 to 2.1.0, and 3.0.0-alpha-1. Users are recommended to upgrade to version 2.1.1, or 3.0.0-alpha-2 or later, which fixes the issue. In the affected versions, Shiro-native session manager, as well as Remember-Me manager sends JSESSIONID and rememberMe cookies without 'secure' attribute by default.

The advisory is available at shiro.apache.org. This vulnerability is traded as CVE-2026-43828 since 05/03/2026. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/01/2026). This vulnerability is assigned to T1539 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 316788 (Linux Distros Unpatched Vulnerability : CVE-2026-43828), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.1.1 or 3.0.0-alpha-2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (316788). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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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: 5.1
VulDB Meta Temp Score: 5.0

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

NVD Base Score: 6.5
NVD Vector: 🔒

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

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 316788
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-43828

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Shiro 2.1.1/3.0.0-alpha-2

Timelineinfo

05/03/2026 CVE reserved
05/26/2026 +23 days Advisory disclosed
05/26/2026 +0 days VulDB entry created
06/01/2026 +6 days VulDB entry last update

Sourcesinfo

Vendor: apache.org

Advisory: shiro.apache.org
Status: Confirmed

CVE: CVE-2026-43828 (🔒)
GCVE (CVE): GCVE-0-2026-43828
GCVE (VulDB): GCVE-100-365562

Entryinfo

Created: 05/26/2026 06:46
Updated: 06/01/2026 10:15
Changes: 05/26/2026 06:46 (71), 05/29/2026 22:30 (2), 06/01/2026 10:15 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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