CVE-2026-96269

GNU Emacs 28.1 through 31.1 allows arbitrary code execution upon opening a file, because an untrusted value of read-symbol-shorthands affects the intern and unintern functions. This affects the default configuration; no particular user settings are required to trigger it.

• https://debbugs.gnu.org/cgi/bugreport.cgi?bug=80574#227
• https://yhetil.org/emacs/jwvtsph1aoj.fsf-monnier+emacs@gnu.org/T/#m319545e835fb71d764bf868166632d4633167a75
• https://eshelyaron.com/posts/2026-08-06-emacs-arbitrary-code-execution-returns.html
• https://www.openwall.com/lists/oss-security/2026/08/20/3