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OpenVPN and Carahsoft Partner to Offer Secure Connectivity via Contracts

May 11, 2026

OpenVPN and Carahsoft Technology Corp. entered a partnership that makes OpenVPN’s Virtual Private Networking and Zero Trust Network Access connectivity solutions available to the Public Sector through Carahsoft procurement channels. The agreement matters because it routes secure connectivity offerings through established contract vehicles used for enterprise-wide procurement.

Under the terms, Carahsoft serves as OpenVPN’s Master Government Aggregator and offers OpenVPN’s connectivity solutions to the Public Sector through Carahsoft’s reseller partners and NASA Solutions for Enterprise-Wide Procurement (SEWP) V, NASPO ValuePoint and OMNIA Partners contracts. The release also names Access Server and CloudConnexa as the two offerings.

OpenVPN’s Access Server is a self-hosted VPN software offering that supports on-premise or cloud deployment, with scaling through high-availability clustering and user authentication using built-in PKI with MFA and SSO. OpenVPN’s CloudConnexa is a cloud-delivered Zero Trust Network Access and Security Service Edge solution that creates a dedicated Wide-area Private Cloud across more than 30 global points of presence, with integrated threat protection and SaaS isolation.

The partnership includes product availability through Carahsoft’s SEWP V contract numbers NNG15SC03B and NNG15SC27B, NASPO ValuePoint Master Agreement #AR2472, and OMNIA Partners Contract #R240303. Francis Dinha, CEO of OpenVPN, said, “We're pleased to partner with Carahsoft to bring our security solutions to the Public Sector,” and added, “Carahsoft’s extensive network and expertise across Public Sector missions are excellent complements to the OpenVPN mission to deliver next-generation secure, scalable Zero Trust Network Access solutions. Together, we can provide immense value for organizations where Zero Trust security is vital to protecting critical infrastructure.” Natalie Gregory, Vice President for Open Source Solutions at Carahsoft, said, “We are pleased to partner with OpenVPN to bring its scalable, flexible VPN and Zero Trust connectivity solutions to the Public Sector,” and added, “Public Sector IT teams require robust IT solutions to help secure remote users, distributed networks and cloud environments, and this partnership helps close a critical gap in delivering scalable, easy-to-manage secure access. Through this collaboration and alongside our reseller partners, we can provide Federal, State and Local Government agencies, as well as academic institutions, with trusted solutions that strengthen cybersecurity posture, reduce risk and support mission success in an increasingly hybrid world.”

Going forward, Carahsoft’s role as Master Government Aggregator covers the availability of OpenVPN’s connectivity solutions under the named federal, state, and local contract vehicles.

Related Perspectives

CISA issues update on missing IPsec integrity for Verizon IMS SIP signaling

June 2, 2026

Overview VoLTE deployments on Verizon’s IMS network have historically lacked IPsec-based integrity protection for SIP signaling, contravening well-established requirements in 3GPP TS 33.203 and GSMA IR.92. As a result, SIP messages—including registration (REGISTER), call setup (INVITE), and messaging (MESSAGE)—were transmitted in plaintext without cryptographic guarantees of integrity or authenticity. Passive analysis of live traffic over multiple months confirmed the consistent absence of SIP Security Agreement headers and ESP traffic, indicating a systematic configuration decision rather than an isolated anomaly. In response to repeated follow-up inquiries, Verizon stated on [insert date] that integrity support is “currently available at their request” and will be extended to all UEs “starting later this year.” Separately, the researchers recently observed that Apple’s iOS 26.5 carrier bundle (released May 11, 2026) includes IMS IPsec-related configuration entries—an indication that device-side support may now be active or enabled in newer software. While this change is promising, its real-world impact remains uncertain: there is no evidence yet that Verizon has modified its network to enforce IPsec, that the configuration is being activated per session, or that integrity is functionally operational in production deployments. Absent explicit verification (e.g., captured ESP traffic or official confirmation), this may reflect preparatory software changes rather than an end-to-end security upgrade. The vulnerability remains active for the vast majority of Verizon VoLTE users during the unprotected period, and until network-level enforcement is observed and confirmed, the risk of on-path signaling manipulation endures. Description CVE-2026-10629 SIP signaling stack in Verizon IMS (unspecified version) implements SIP signaling without IPsec integrity protection (missing Security-Client/Security-Server headers and ESP traffic), which allows an on-path attacker to compromise confidentiality, integrity, and authenticity of VoLTE signaling via passive monitoring and active manipulation of unsecured SIP messages over the radio and core network. According to 3GPP TS 33.203 and GSMA IR.92, SIP signaling between the UE and P-CSCF in IMS networks must be protected using IPsec ESP with mandatory integrity following IMS AKA authentication. This protection is negotiated via SIP Security Agreement headers (Security-Client, Security-Server, Security-Verify) during registration and results in integrity-protected ESP traffic for all subsequent signaling messages. However, observations conducted over several weeks on Verizon’s network showed no such headers in use. The REGISTER exchange lacked any security negotiation, and post-registration SIP traffic—including INVITE, MESSAGE, BYE, and UPDATE—traversed the network in plaintext over standard UDP/TCP, with no ESP encapsulation. This pattern was consistent across device models and network conditions, indicating a systemic configuration decision rather than a transient issue. The absence of integrity checking means any modification to SIP messages—including redirection of emergency calls or injection of fake message payloads—would go undetected by both the UE and the IMS core. No technical justification for this deviation from globally adopted security practices has been provided by Verizon, and prior engagement failed to elicit a substantive response beyond the recent, non-binding commitment to future deployment. Impact The lack of IPsec integrity protection enables on-path attackers—including those controlling femtocells, compromised base stations, or IMS intermediaries—to intercept, modify, replay, or inject SIP messages without detection. These capabilities permit call hijacking, spoofing of SMS-over-IMS, denial-of-service through forged BYE or CANCEL, and manipulation of emergency call routing—without requiring compromise of the UE, SIM, or backend infrastructure. Because SIP signaling lacks cryptographic integrity, all such modifications go unnoticed by both the UE and the IMS core, undermining core security assumptions of VoLTE. While the recently observed iOS 26.5 configuration change may signal progress toward a more secure implementation, its operational impact is yet to be demonstrated; until then, the risk remains real and unmitigated for users on unprotected deployments. Solution Until the vulnerability is fully mitigated by Verizon, users and enterprises should continue to assume VoLTE signaling is untrusted for high-assurance operations. Acknowledgements Thanks to DongWon Lee, Jeongmin Choi, and CheolJun Park from Kyung Hee University for their thorough technical report, persistent follow-up efforts, and the additional observation regarding iOS 26.5. Their work has significantly advanced the understanding of this issue and helped keep the discussion grounded in observable behavior. This AI-assisted document was written by Timur Snoke.