opf openproject up to 17.3.x /api/v3/meetings information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in opf openproject up to 17.3.x. It has been declared as problematic. Affected by this issue is some unknown functionality of the file /api/v3/meetings. Such manipulation leads to information disclosure. This vulnerability is listed as CVE-2026-49355. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in opf openproject up to 17.3.x. It has been rated as problematic. Affected by this issue is some unknown processing of the file /api/v3/meetings. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

OpenProject is open-source, web-based project management software. Prior to 17.4.0, `GET /api/v3/meetings/:meeting_id/agenda_items/:agenda_item_id` discloses private work package data from a linked work package that belongs to a private/inaccessible project. This vulnerability is fixed in 17.4.0.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-49355 since 05/29/2026. The exploitation is known to be easy. The attack may be launched remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

Upgrading to version 17.4.0 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.3
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: openproject 17.4.0

Timelineinfo

05/29/2026 CVE reserved
06/26/2026 +28 days Advisory disclosed
06/26/2026 +0 days VulDB entry created
06/26/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-g387-6rm2-xw88
Status: Confirmed

CVE: CVE-2026-49355 (🔒)
GCVE (CVE): GCVE-0-2026-49355
GCVE (VulDB): GCVE-100-374408

Entryinfo

Created: 06/26/2026 22:36
Changes: 06/26/2026 22:36 (66)
Complete: 🔍
Cache ID: 216::103

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