CVE-2019-25777 YAML Perl - Remote Code Execution

YAML for Perl < 1.27_001 contains a code injection vulnerability caused by unrestricted perl/glob document loading, letting attackers execute arbitrary Perl code remotely, exploit requires supplying crafted documents in the same process.

CVSS base score 7.3 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.34% 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:L/I:L/A:L
Published
5 October 2026
Updated
15 October 2026
Weakness
CWE-502

Vendor fix

Upgrade to version 1.27_001 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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