CVE-2026-49355

OpenProject: Private work package data disclosure through single meeting agenda item API

MEDIUM
4.3
CVSS Score
Published: June 26, 2026 at 07:29 PM UTC
Updated: October 25, 2026 at 05:10 PM UTC
1 product affected across 1 vendorOpenproject

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 17.4.0
Affected range stops below 17.4.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-200CWE-639

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