Vulnerability · Published May 15, 2026 · Assigned by CPANSec
CVE-2026-8704Crypt::DSA versions through 1.19 for Perl use 2-args open, allowing existing files to be modified
Medium 6.5
In plain English
A medium-severity security flaw in Crypt::DSA from TIMLEGGE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 75.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Crypt::DSA versions through 1.19 for Perl use 2-args open, allowing existing files to be modified.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libcrypt-dsa-perl | no fix listed | DEBIAN-CVE-2026-8704 |
| Debian:13 | libcrypt-dsa-perl | no fix listed | DEBIAN-CVE-2026-8704 |
| Ubuntu:22.04:LTS | libcrypt-dsa-perl | no fix listed | UBUNTU-CVE-2026-8704 |
| Ubuntu:24.04:LTS | libcrypt-dsa-perl | no fix listed | UBUNTU-CVE-2026-8704 |
| Ubuntu:25.10 | libcrypt-dsa-perl | no fix listed | UBUNTU-CVE-2026-8704 |
| Ubuntu:26.04:LTS | libcrypt-dsa-perl | no fix listed | UBUNTU-CVE-2026-8704 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| TIMLEGGE | Crypt::DSA | 0 – through 1.19 |
Weakness: CWE-552 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N