What’s Vulnerable › Vulnerabilities

CVE-2026-8704: Crypt::DSA versions through 1.19 for Perl use 2-args open, allowing existing files to be modified

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-15 · updated 2026-10-25
• Weakness: CWE-552

Description

Crypt::DSA versions through 1.19 for Perl use 2-args open, allowing existing files to be modified.

Affected products

• TIMLEGGE Crypt::DSA: through 1.19

References

• https://metacpan.org/release/TIMLEGGE/Crypt-DSA-1.20/changes
• https://metacpan.org/release/TIMLEGGE/Crypt-DSA-1.20/diff/TIMLEGGE/Crypt-DSA-1.19#lib/Crypt/DSA/Key.pm
• http://www.openwall.com/lists/oss-security/2026/05/15/27

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