CVE-2026-33046
HighSummary
Indico to system zarządzania wydarzeniami, który w wersjach przed 3.3.12 ma podatność związaną z TeXLive i niebezpieczną składnią LaTeX. Umożliwia to wykorzystanie specjalnie przygotowanych fragmentów LaTeX do odczytu lokalnych plików lub wykonania kodu z uprawnieniami użytkownika uruchamiającego Indico na serwerze.
Risk Assessment
Podatność ta może prowadzić do poważnych naruszeń bezpieczeństwa, w tym do nieautoryzowanego dostępu do danych lokalnych lub wykonania złośliwego kodu na serwerze. Organizacje powinny być świadome ryzyka związanego z używaniem nieaktualnych wersji Indico.
Recommendation
Zaleca się jak najszybszą aktualizację do Indico 3.3.12 oraz włączenie konteneryzowanego renderera LaTeX, aby zminimalizować ryzyko. Alternatywnie, można usunąć ustawienie `XELATEX_PATH` z `indico.conf` i zrestartować usługi `indico-uwsgi` oraz `indico-celery`, aby wyłączyć funkcjonalność LaTeX.
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Original NVD description (English source)
Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. In versions prior to 3.3.12, due to vulnerabilities in TeXLive and obscure LaTeX syntax that allowed circumventing Indico's LaTeX sanitizer, it is possible to use specially-crafted LaTeX snippets which can read local files or execute code with the privileges of the user running Indico on the server. Note that if server-side LaTeX rendering is not in use (ie `XELATEX_PATH` was not set in `indico.conf`), this vulnerability does not apply. It is recommended to update to Indico 3.3.12 as soon as possible. It is also strongly recommended to enable the containerized LaTeX renderer (using `podman`), which isolates it from the rest of the system. As a workaround, remove the `XELATEX_PATH` setting from `indico.conf` (or comment it out or set it to `None`) and restart the `indico-uwsgi` and `indico-celery` services to disable LaTeX functionality.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

