CVE-2026-11527
OS command injection via -file open() in Config::IniFiles before 3.001000.
Is CVE-2026-11527 being exploited?
Not confirmed. CVE-2026-11527 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 1.1% probability of exploitation in the next 30 days.
How severe is CVE-2026-11527?
CVE-2026-11527 is rated High with a CVSS score of 8.6. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-11527?
Yes. A fix has been recorded for CVE-2026-11527. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-11527 affect?
CVE-2026-11527 affects Config::IniFiles (Perl module), Perl apps using Config::IniFiles, Perl environments using this module. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-11527?
Update to Config::IniFiles 3.001000 or later
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Arbitrary command execution and file truncation via crafted -file input to open(), enabling code execution in affected processes.
Patch when possible
- affected< 3.001000
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.