{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","favicon":"https://feed.craftedsignal.io/favicon-32x32.png","feed_url":"https://feed.craftedsignal.io/cpes/cpe2.3aapachebrpc/feed.json","home_page_url":"https://feed.craftedsignal.io/","icon":"https://feed.craftedsignal.io/apple-touch-icon.png","items":[{"_cs_actors":[],"_cs_cpes":["cpe:2.3:a:apache:brpc:*:*:*:*:*:*:*:*"],"_cs_cves":[{"cvss":7.5,"id":"CVE-2026-82230"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["bRPC (\u003c 1.18.0)"],"_cs_severities":["low"],"_cs_tags":["denial-of-service","memory-corruption","patch-management"],"_cs_type":"advisory","_cs_vendors":["Apache"],"content_html":"\u003cp\u003eApache bRPC versions prior to 1.18.0 contain a vulnerability in the mcpack2pb component where the parser recursively handles nested objects and arrays without implementing a depth limit. An attacker can exploit this by sending a crafted mcpack request containing deeply nested structures to a bRPC server, causing stack overflow and a process crash. This affects servers configured to handle nshead_mcpack, ubrpc, or public_pbrpc requests. The patch enforces a maximum nesting depth of 128, which may impact legitimate traffic exceeding this limit.\u003c/p\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation results in a denial-of-service condition due to application process crashes.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade the Apache bRPC library to version 1.18.0 or later on all affected systems.\u003c/li\u003e\n\u003cli\u003eIf immediate upgrading is not possible, apply the official patch from the bRPC GitHub repository (pull request 3499).\u003c/li\u003e\n\u003cli\u003ePrior to applying the fix, verify if your service environment relies on mcpack messages nested deeper than the new 128-level limit to prevent operational disruption.\u003c/li\u003e\n\u003cli\u003eReview network boundaries to restrict access to bRPC services (nshead_mcpack, ubrpc, public_pbrpc) to trusted internal clients only.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-10-21T17:09:52Z","date_published":"2026-10-21T17:09:52Z","id":"https://feed.craftedsignal.io/briefs/2026-10-apache-brpc-cve-2026-82230/","summary":"Apache bRPC versions prior to 1.18.0 are vulnerable to stack exhaustion and process crashes when processing maliciously crafted, deeply nested mcpack data requests.","title":"Apache bRPC: Denial of service via uncontrolled recursion (CVE-2026-82230)","url":"https://feed.craftedsignal.io/briefs/2026-10-apache-brpc-cve-2026-82230/"}],"language":"en","title":"CraftedSignal Threat Feed - Cpe:2.3:a:apache:brpc:*:*:*:*:*:*:*:*","version":"https://jsonfeed.org/version/1.1"}