HIGHVulnerability
CVE-2026-70452
rsync 3.1.0 before 3.5.0 contains an access control bypass vulnerability that allows remote attackers to circumvent hosts deny rules by inducing DNS resolution failures during hostname-based access control evaluation. When a DNS lookup for a hostname-based deny rule fails, the daemon skips the rule rather than defaulting to a deny decision, enabling attackers who can trigger DNS failures to bypass module-level IP access controls and gain unauthorized access to restricted module file trees.
Properties
- severity
- HIGH
- score
- 7.4
- epss_score
- 0.00462
- cve_id
- CVE-2026-70452
- vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- published_at
- 2026-08-13T15:19:58.740
- last_modified
- 2026-09-08T20:28:37.587
- epss_percentile
- 0.38526
Related Entities (4)
ENRICHED_BY (1)
→[Source]FIRST EPSS
HAS_WEAKNESS (2)
→[Weakness]Incorrect Authorization
→[Weakness]Not Failing Securely ('Failing Open')
DESCRIBED_BY (1)
→[Source]NVD
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