{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/prisma-access-agent--26.2.1-on-ios/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[],"_cs_exploited":true,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Prisma Access Agent (\u003c 26.2.1 on iOS)"],"_cs_severities":["medium"],"_cs_tags":["vulnerability","mitm","ios","vpn","palo-alto-networks"],"_cs_type":"threat","_cs_vendors":["Palo Alto Networks"],"content_html":"\u003cp\u003ePalo Alto Networks has disclosed CVE-2026-0277, an improper certificate validation vulnerability affecting the Prisma Access Agent for iOS. This vulnerability impacts all iOS versions of the agent prior to 26.2.1. An attacker could exploit this flaw to execute a man-in-the-middle (MitM) attack, allowing them to intercept and potentially modify VPN traffic passing through the vulnerable client. No special configuration is required for exposure to this issue. While Palo Alto Networks is not aware of any malicious exploitation in the wild, the vulnerability's nature poses a significant risk to the confidentiality and integrity of user communications for organizations relying on Prisma Access for iOS devices. Immediate patching is recommended to mitigate this risk.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker gains a privileged network position, such as on a public Wi-Fi network, allowing them to intercept network traffic between a victim's iOS device and the legitimate Prisma Access VPN gateway.\u003c/li\u003e\n\u003cli\u003eThe attacker sets up a rogue server (e.g., a malicious access point or a compromised DNS server) to masquerade as the legitimate Prisma Access VPN endpoint.\u003c/li\u003e\n\u003cli\u003eThe attacker presents a malicious or invalid TLS certificate to the vulnerable Prisma Access Agent on the iOS device during the VPN connection establishment process.\u003c/li\u003e\n\u003cli\u003eDue to the improper certificate validation flaw (CVE-2026-0277), the Prisma Access Agent for iOS fails to correctly verify the authenticity of the attacker's certificate.\u003c/li\u003e\n\u003cli\u003eThe vulnerable iOS client establishes a \u0026quot;trusted\u0026quot; VPN connection with the attacker's rogue server, believing it to be the legitimate Prisma Access gateway.\u003c/li\u003e\n\u003cli\u003eAll subsequent VPN traffic from the victim's iOS device is routed through the attacker-controlled server.\u003c/li\u003e\n\u003cli\u003eThe attacker can then decrypt, inspect, modify, and re-encrypt the intercepted VPN traffic before forwarding it to the legitimate Prisma Access gateway, and vice-versa.\u003c/li\u003e\n\u003cli\u003eThe final objective is the compromise of sensitive data confidentiality and integrity from the victim's device, or the injection of malicious content.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eA successful exploitation of CVE-2026-0277 would allow an attacker to intercept all VPN traffic from affected iOS devices utilizing the Prisma Access Agent. This could lead to a severe compromise of sensitive data confidentiality, allowing an attacker to steal credentials, personal information, or proprietary corporate data. Furthermore, the integrity of communications could be undermined, as an attacker could potentially inject malicious content into the data stream, leading to further compromise of the victim's device or network. While no exploitation has been reported, the potential for high confidentiality and integrity impact underscores the severity for organizations with iOS devices connected to Prisma Access.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade the affected Prisma Access Agent on iOS to version 26.2.1 or later immediately to remediate CVE-2026-0277.\u003c/li\u003e\n\u003cli\u003eCommunicate the urgent need to update their Prisma Access Agent to all users with iOS devices.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-07-08T16:07:54Z","date_published":"2026-07-08T16:07:54Z","id":"https://feed.craftedsignal.io/briefs/2026-07-cve-2026-0277-prisma-access-agent-ios/","summary":"An improper certificate validation vulnerability (CVE-2026-0277) in the Prisma Access Agent for iOS, affecting versions prior to 26.2.1, enables an attacker to perform a man-in-the-middle (MitM) attack to intercept VPN traffic, leading to potential compromise of data confidentiality and integrity.","title":"CVE-2026-0277 Prisma Access Agent: Improper Certificate Validation on iOS","url":"https://feed.craftedsignal.io/briefs/2026-07-cve-2026-0277-prisma-access-agent-ios/"}],"language":"en","title":"CraftedSignal Threat Feed - Prisma Access Agent (\u003c 26.2.1 on IOS)","version":"https://jsonfeed.org/version/1.1"}