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

CVE-2026-8704

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

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

MEDIUM · CVSS 6.5 EPSS 0.00012
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-552Files or Directories Accessible to External Parties
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · 9b29abf9-4ab0-4765-b253-1875cd9b441e
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 May 2026 · 11:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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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