CVE-2026-103510 in P4 Search
Summary
by MITRE • 10/05/2026
P4 Search prior to 2026.4.2 does not fail securely when its service authentication token is blank. In affected configurations, an unauthenticated attacker with network access can obtain the highest application privilege, potentially leading to compromise of P4 Search and the connected P4 Server.
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Analysis
by VulDB Data Team • 10/05/2026
The vulnerability identified in Perforce Helix Core (P4) Search prior to version 2026.4.2 represents a critical authentication bypass flaw that fundamentally undermines the security model of the search service component. The core technical issue stems from an insecure default configuration or logic error where the system fails to enforce strict validation on the service authentication token when it is left blank. In a properly secured environment, any missing or empty credential should result in immediate rejection of the request with an unauthorized access denial. However, due to this specific flaw, the application interprets a null or empty token as valid, effectively treating unauthenticated requests as if they were authenticated with full privileges. This behavior violates fundamental security principles regarding authentication integrity and secure default configurations, allowing any entity capable of reaching the service over the network to bypass identity verification mechanisms entirely.
From an operational perspective, this vulnerability allows for complete privilege escalation without requiring prior credentials or user interaction. An unauthenticated attacker who has network connectivity to the P4 Search endpoint can exploit this flaw to obtain the highest level of application privileges available within that context. This is not a limited access scenario but rather a total compromise of the service's trust boundary. The impact extends beyond the search interface itself, as P4 Search often acts as an intermediary or indexer for the main Perforce Helix Core server. By gaining administrative-level control over the search component through this authentication bypass, an attacker can potentially manipulate index data, exfiltrate sensitive repository metadata, or use the compromised service to launch further attacks against the connected P4 Server infrastructure. This could lead to unauthorized access to source code repositories, intellectual property theft, and potential modification of version-controlled assets if the privilege level permits write operations through linked services.
This vulnerability aligns with CWE-287, which describes Improper Authentication, specifically where an actor is able to bypass authentication controls due to a logic error or misconfiguration. It also maps closely to MITRE ATT&CK technique T1078, Valid Accounts, as the attacker leverages valid-looking but technically empty credentials to gain unauthorized access. Furthermore, it relates to CWE-613, Insufficient Session Expiration, in contexts where session tokens are not properly validated for presence and validity before granting access. The severity is heightened by the fact that no prior foothold or credential theft is required; network reachability is sufficient for exploitation, making this a high-risk remote code execution vector if combined with other vulnerabilities in the broader Perforce ecosystem.
Mitigation strategies must prioritize immediate patching to version 2026.4.2 or later, where the authentication logic has been corrected to strictly reject requests lacking valid service tokens. In environments where upgrading is not immediately feasible, administrators should implement network-level controls such as firewall rules or reverse proxy configurations that restrict access to the P4 Search endpoint exclusively from trusted internal IP ranges. Additionally, enforcing strict input validation and ensuring that all API endpoints return appropriate HTTP 401 Unauthorized responses for missing credentials can help mitigate exposure during the transition period. Regular security audits of authentication flows across Perforce components are recommended to identify similar insecure default configurations in other services within the Helix Core suite.