MEDIUMVulnerability

CVE-2026-79781

rclone serve s3 before 1.74.4 contains a path traversal vulnerability that allows attackers to read and overwrite root-level files by using dot-dot segments in S3 object keys. Attackers can send requests with object keys like ../root-secret.txt to escape the bucket namespace and access files in the serve root directory.

Properties

severity
MEDIUM
score
6.5
epss_score
0.00255
cve_id
CVE-2026-79781
signal_observed_at
2026-09-15T21:12:47+00:00
vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
published_at
2026-08-25T16:17:30.080
last_modified
2026-09-10T20:46:19.780
epss_percentile
0.17146

Related Entities (3)

ENRICHED_BY (1)

[Source]FIRST EPSS

DESCRIBED_BY (1)

[Source]NVD

HAS_WEAKNESS (1)

[Weakness]Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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CVE-2026-79781 — Ninja Signal Threat Intelligence | Ninja Signal