MEDIUM 6.3

CVE-2026-14725: SourceCodester Boat Reservation System Session Expiration Vulnerability

SourceCodester Online Boat Reservation System version 1.0 contains a vulnerability that allows authenticated users to trigger session expiration through unspecified manipulation. An attacker with valid credentials can remotely exploit this flaw to disrupt user sessions, affecting confidentiality, integrity, and availability of the application. Public exploit code is available, increasing the likelihood of active exploitation.

Source data · NVD / CISA · public domain

CVSS
3.1 · 6.3 MEDIUM · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weaknesses (CWE)
CWE-613
Affected products
0 configuration(s)
Published / Modified
2026-07-05 / 2026-07-07

NVD description (verbatim)

A vulnerability was identified in SourceCodester Online Boat Reservation System 1.0. Affected by this vulnerability is an unknown functionality. Such manipulation leads to session expiration. It is possible to launch the attack remotely. The exploit is publicly available and might be used.

6 reference(s) · View on NVD →

SEC.co analysis · AI-assisted, reviewed against source

Technical summary

CVE-2026-14725 is a session management vulnerability (CWE-613) in SourceCodester Online Boat Reservation System 1.0 that enables authenticated attackers to cause premature session expiration. The vulnerability requires low attack complexity and user authentication (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L), scoring 6.3 MEDIUM severity. The attack vector is network-based with no user interaction required beyond initial authentication. The affected functionality remains undisclosed in public disclosures, suggesting either intentional obfuscation or incomplete analysis by the reporting party.

Business impact

Organizations running Online Boat Reservation System 1.0 face operational disruption through malicious session termination. Legitimate users may experience unexpected logouts, frustrating customer-facing interactions and potentially impacting booking transactions. The combination of confidentiality, integrity, and availability impacts suggests attackers could corrupt session data or eavesdrop on communications during exploitation. For reservation-driven businesses, session instability directly translates to revenue and customer satisfaction risk.

Affected systems

SourceCodester Online Boat Reservation System version 1.0 is the confirmed affected product. No patch versions, alternative versions, or other products are listed in available advisories. Organizations should verify their deployment version against vendor documentation, as version numbering practices may vary between official releases and custom deployments.

Exploitability

This vulnerability presents moderate to high exploitability risk. Public exploit code availability removes technical barriers to attack; attackers need only valid credentials to trigger the vulnerability. The low attack complexity and network accessibility mean defenders cannot rely on network segmentation alone. However, the authentication requirement (PR:L) means compromised user accounts or insider threats pose the primary risk vector. Given the public exploit availability, active exploitation should be anticipated.

Remediation

Immediate action requires identifying and inventorying all Online Boat Reservation System 1.0 deployments across your environment. Verify with SourceCodester for available patches or version upgrades that address CWE-613 session management flaws. In the interim, implement strict access controls limiting application user accounts, enforce session timeout policies, and monitor for anomalous session termination patterns. If patches are unavailable, consider upgrading to a maintained alternative or implementing a reverse proxy to add external session management controls.

Patch guidance

Check the SourceCodester vendor advisory for patched version numbers and migration guidance. Apply patches immediately upon availability, prioritizing systems with the broadest user base or highest transaction value. Verify patch effectiveness by testing session stability under normal usage before broad deployment. If vendor patches are unavailable, evaluate community-maintained forks or alternative reservation systems for long-term sustainability.

Detection guidance

Monitor application logs for unusual session termination events, particularly patterns affecting multiple users in short timeframes. Track authentication attempts from accounts that initiate session termination requests, looking for anomalous originating IP addresses. Implement alerting on session table modifications or session state cache anomalies if your platform exposes such metrics. Network-level indicators include repeated POST/PUT requests to session management endpoints from authenticated users.

Why prioritize this

Despite MEDIUM severity scoring, prioritization depends on your environment. Organizations running customer-facing booking systems should treat this as high-priority due to operational impact and public exploit availability. Adversaries can easily disrupt service reliability. However, internal administrative deployments or low-user-count systems may warrant standard priority. The authentication requirement prevents anonymous attacks but lowers the bar for insider threats or compromised account exploitation.

Risk score, explained

The 6.3 MEDIUM score reflects authentication requirement (PR:L) and limited blast radius (S:U/scope unchanged). However, the scoring does not account for public exploit availability or business impact to revenue-generating systems. Organizations should consider contextual severity: a publicly bookable reservation system warrants elevated priority over internal administrative tools. The score is defensible by CVSS methodology but should not override business context in prioritization decisions.

Frequently asked questions

Do we need to act immediately if we run version 1.0?

Yes. Public exploit code exists and the vulnerability requires only valid credentials. Identify all deployments and begin patching or upgrade planning immediately. In the interim, restrict user account creation and enforce strong session timeout policies.

What does 'unknown functionality' mean in the description?

The vendor or researcher did not publicly disclose the specific application feature exploited by this vulnerability, likely to avoid enabling unsophisticated attacks. This means you cannot easily identify affected code paths without reverse-engineering or vendor documentation. Treat all session-handling functionality as potentially vulnerable until patched.

Can an unauthenticated attacker exploit this?

No. The vulnerability explicitly requires authenticated access (PR:L in the CVSS vector). An attacker must either compromise a valid user account, exploit another authentication bypass, or be an insider with legitimate credentials to trigger session expiration.

Will upgrading immediately break our application?

Patch deployment risk depends on your specific version and the patch scope. Always test patches in a staging environment first. Contact SourceCodester support for migration guidance and known compatibility issues before deploying to production systems handling live reservations.

This analysis is based on publicly available information as of July 2026. Vendor advisories, patch availability, and detailed technical specifications may not be fully documented. Organizations should independently verify patch versions, compatibility, and remediation steps against official SourceCodester communications. This explainer does not constitute professional security advice; consult with your security team and vendor before implementing changes to production systems. Future updates to this CVE record may revise scoring, affected products, or remediation guidance. Source: NVD (public-domain), retrieved 2026-08-13. Analysis generated by SEC.co (claude-haiku-4-5).