{"id":80603,"date":"2026-06-16T02:46:45","date_gmt":"2026-06-15T23:16:45","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-48853-remote-code-execution-and-denial-of-service-via-unsafe-erlang-term-deserialization-in-elixir-grpc-grpc\/"},"modified":"2026-06-16T02:46:45","modified_gmt":"2026-06-15T23:16:45","slug":"cve-2026-48853-remote-code-execution-and-denial-of-service-via-unsafe-erlang-term-deserialization-in-elixir-grpc-grpc","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-48853-remote-code-execution-and-denial-of-service-via-unsafe-erlang-term-deserialization-in-elixir-grpc-grpc\/","title":{"rendered":"CVE-2026-48853 &#8211; Remote code execution and denial of service via unsafe Erlang term deserialization in elixir-grpc\/grpc"},"content":{"rendered":"<p>CVE ID :CVE-2026-48853<\/p>\n<p>  Published : June 15, 2026, 11:16 p.m. | 25\u00a0minutes ago<\/p>\n<p>  Description :Deserialization of Untrusted Data and Allocation of Resources Without Limits or Throttling vulnerabilities in elixir-grpc grpc allow unauthenticated attackers to crash the BEAM node via atom table exhaustion and, when a decoded term flows into a call site that invokes it, achieve remote code execution on the server.<\/p>\n<p>&#8216;Elixir.GRPC.Codec.Erlpack&#8217;:decode\/2 (lib\/grpc\/codec\/erlpack.ex) calls :erlang.binary_to_term\/1 on the raw gRPC message body without the :safe option, no size bound, and no type guard. Any unauthenticated peer that sends a request with Content-Type: application\/grpc+erlpack can send a crafted payload that mints arbitrary new atoms (which are never garbage-collected, exhausting the bounded atom table and crashing the VM) or that encodes a fun term which, if applied anywhere downstream, executes attacker-controlled code inside the server process.<\/p>\n<p>This issue affects grpc from 0.4.0 before 1.0.0.<\/p>\n<p>  Severity: 9.2 | CRITICAL<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-48853 Published : June 15, 2026, 11:16 p.m. | 25\u00a0minutes ago Description :Deserialization of Untrusted Data and Allocation of Resources Without Limits or Throttling vulnerabilities in elixir-grpc grpc allow unauthenticated attackers to crash the BEAM node via atom table exhaustion and, when a decoded term flows into a call site that invokes it, &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-80603","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80603","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=80603"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80603\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=80603"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=80603"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=80603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}