01 Record
CVE-2026-65067
Data::Intern::Shared versions before 0.02 for Perl create a world-readable mmap backing file and open it without O_EXCL or O_NOFOLLOW
LowPUBLISHEDCNA: CPANSec
CNA base score3.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
02 Description
Data::Intern::Shared versions before 0.02 for Perl create a world-readable mmap backing file and open it without O_EXCL or O_NOFOLLOW
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.14% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 3.5% of scored records. A rank, not a probability.
- NVD base score
- 3.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-24.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-07-21 19:09Z3 MO AGO
- Last updated
- 2026-07-23 13:16Z3 MO AGO
- Reserved
- 2026-07-21
- Assigning CNA
- CPANSec
- Record state
- PUBLISHED
- Severity
- Low (CVSS 3.8)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
- Weaknesses
- Data version
- 5.2
- Document digest
- 4687891193c6e93d091d53eed1e8dc9ce410bb28be248d07940946fb38eb9fec
05 Affected products
VendorProductVersionsPlatforms
06 References
07 Remediation
Upgrade to Data::Intern::Shared 0.02 or later, which creates the backing file mode 0600 (owner-only) with O_EXCL and O_NOFOLLOW.