CVE-2026-78030 Perl DBI - Remote Code Execution

Perl DBI versions before 1.653 with DBD::DBM contain a code injection vulnerability caused by unvalidated dbm_type and dbm_mldbm attributes allowing arbitrary module loading, letting attackers execute arbitrary code remotely, exploit requires attacker-controlled input in connection attributes.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.42% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
19 September 2026
Updated
15 October 2026
Weakness
CWE-470

Vendor fix

Upgrade to DBI version 1.653 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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