Medium severity · published May 15, 2026
CVE-2026-8704
Crypt::DSA versions through 1.19 for Perl use 2-args open, allowing existing files to be modified
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
Crypt::DSA versions through 1.19 for Perl use 2-args open, allowing existing files to be modified.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CR
Crypt::DSA · TIMLEGGE
through 1.19 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-8704
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-8704
metacpan.org
https://metacpan.org/release/TIMLEGGE/Crypt-DSA-1.20/changes
metacpan.org
https://metacpan.org/release/TIMLEGGE/Crypt-DSA-1.20/diff/TIMLEGGE/Crypt-DSA-1.19#lib/Crypt/DSA/Key.pm
www.openwall.com
http://www.openwall.com/lists/oss-security/2026/05/15/27
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