CVE-2025-41091VulnerabilityPublished 30 Sep 2025

CVE-2025-41091: GLOBAL PLANNING SOLUTIONS S.L (GPS) BOLD Workplanner · Insecure Direct Object Reference

Affects GLOBAL PLANNING SOLUTIONS S.L (GPS) BOLD WorkplannerSource CVE Database V5

Not known to be exploited · CVSS 7.1 High.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 4.0 base score

7.1High

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.2% chance of exploitation in 30 days – higher than 17% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Attack Vector: Network
Attack Complexity: Low
Attack Requirements: None
Privileges Required: Low
User Interaction: None
Vulnerable system confidentiality: High
Vulnerable system integrity: None
Vulnerable system availability: None
Subsequent system confidentiality: None
Subsequent system integrity: None
Subsequent system availability: None

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system.
Attack Requirements: None: The successful attack does not depend on the deployment and execution conditions of the vulnerable system. The attacker can expect to be able to reach the vulnerability and execute the exploit under all or most instances of the vulnerability.
Privileges Required: Low: The attacker requires privileges that provide basic capabilities that are typically limited to settings and resources owned by a single low-privileged user. Alternatively, an attacker with Low privileges has the ability to access only non-sensitive resources.
User Interaction: None: The vulnerable system can be exploited without interaction from any human user, other than the attacker.
Vulnerable system confidentiality: High: There is a total loss of confidentiality, resulting in all information within the Vulnerable System being divulged to the attacker. Alternatively, access to only some restricted information is obtained, but the disclosed information presents a direct, serious impact. For example, an attacker steals the administrator's password, or private encryption keys of a web server.
Vulnerable system integrity: None: There is no loss of integrity within the Vulnerable System.
Vulnerable system availability: None: There is no impact to availability within the Vulnerable System.
Subsequent system confidentiality: None: There is no loss of confidentiality within the Subsequent System or all confidentiality impact is constrained to the Vulnerable System.
Subsequent system integrity: None: There is no loss of integrity within the Subsequent System or all integrity impact is constrained to the Vulnerable System.
Subsequent system availability: None: There is no impact to availability within the Subsequent System or all availability impact is constrained to the Vulnerable System.

Definitions: FIRST CVSS v4.0 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 30 Sep 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Affected software

Product	Affected	Fixed in
GLOBAL PLANNING SOLUTIONS S.L (GPS) BOLD Workplanner	Affected =2.5.24	Fixed in–

AI-suggested

European organizations should implement the following specific mitigations: 1) Upgrade BOLD Workplanner to version 2.5.25 or later as soon as the patch becomes available to remediate the vulnerability. 2) Until patching is possible, enforce strict access controls and role-based permissions to limit authenticated users’ ability to access calendar data beyond their scope. 3) Implement input validation and monitoring on internal identifier parameters to detect and block unauthorized access attempts. 4) Conduct regular audits of user access logs to identify anomalous or suspicious activity indicative of exploitation attempts. 5) Employ multi-factor authentication (MFA) to reduce the risk of credential compromise that could facilitate exploitation. 6) Educate users about the risks of credential sharing and phishing to minimize insider threat vectors. 7) Coordinate with the vendor for timely updates and security advisories. 8) Consider network segmentation to isolate critical scheduling systems from broader network access.

Description

CVE-2025-41091 is a high-severity Insecure Direct Object Reference (IDOR) vulnerability in GLOBAL PLANNING SOLUTIONS S. L's BOLD Workplanner versions prior to 2.5.25. It allows authenticated users to bypass authorization controls by manipulating user-controlled keys to access unauthorized calendar details. The vulnerability requires no user interaction and can be exploited remotely with low complexity. Although no known exploits are currently reported in the wild, the flaw poses a significant risk to confidentiality due to unauthorized data exposure. European organizations using affected versions should prioritize patching once available and implement strict access controls. Countries with higher adoption of BOLD Workplanner and critical infrastructure relying on scheduling tools are at greater risk. Mitigation includes monitoring access logs for anomalous activity and restricting internal identifier exposure.

Impact

For European organizations, the impact of CVE-2025-41091 is primarily the unauthorized disclosure of sensitive calendar and scheduling information. This can lead to exposure of confidential business plans, employee schedules, or project timelines, which could be exploited for competitive intelligence, social engineering, or operational disruption. Organizations in sectors such as manufacturing, logistics, healthcare, and critical infrastructure that rely heavily on resource planning tools like BOLD Workplanner are particularly vulnerable. The breach of confidentiality could also lead to regulatory non-compliance under GDPR if personal data is exposed, resulting in potential fines and reputational damage. Since the vulnerability requires authentication but no user interaction, insider threats or compromised credentials could be leveraged to exploit this flaw at scale. The absence of known exploits in the wild currently reduces immediate risk but does not eliminate the potential for targeted attacks, especially in high-value environments.

CWE-639Authorization Bypass Through User-Controlled Key (opens in a new tab)
Base weaknessLikelihood of exploit: HighCWE Top 25 (2025): #24OWASP Top 10 A01:2025: Broken Access Control (opens in a new tab)
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
Architecture and Design
For each and every data access, ensure that the user has sufficient privilege to access the record that is being requested.
Architecture and Design · Implementation
Make sure that the key that is used in the lookup of a specific user's record is not controllable externally by the user or that any tampering can be detected.
Architecture and Design
Use encryption in order to make it more difficult to guess other legitimate values of the key or associate a digital signature with the key so that the server can verify that there has been no tampering.
OWASP Cheat Sheets
Access Control (opens in a new tab)
Authorization Testing Automation (opens in a new tab)
Cross-Site Request Forgery Prevention (opens in a new tab)
Insecure Direct Object Reference Prevention (opens in a new tab)
Authorization (opens in a new tab)
OWASP ASVS 4.0.3
V4.1.2 (opens in a new tab)
V4.2.1 (opens in a new tab)
V8.3.8 (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

incibe.es/en/incibe-cert/notices/aviso/insecure-direct-object-reference-gps-bold-workplanner (opens in a new tab)

Community reviews

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 7 Oct 2025, 11:28 UTC

WeaknessesCWE-639

Technical details

References

Community reviews

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