CVE-2026-100413

HIGH
MEDIUM Priority: 0.03 BB Relevance: 54/100
Published: 2026-10-14 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Network No Auth Conf. Impact

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: Active
S: X
AT: Present
VC: High
VI: Low
VA: None

Description

SeaweedFS is a distributed storage system for files and blobs. From 4.0.388 until 4.41, the SFTP Helm chart embedded one unencrypted Ed25519 private host key in k8s/charts/seaweedfs/templates/sftp/sftp-secret.yaml as stringData.seaweedfs_sftp_ssh_private_key. A standalone deployment presented that public key when sftp.enabled and sftp.enableAuth were true, sftp.existingConfigSecret was not supplied, the legacy sftp.sshPrivateKey path remained selected, a valid config-ssh Secret allowed startup, and hostKeysFolder did not provide a later Ed25519 signer. An attacker able to redirect or intercept client traffic could impersonate that SFTP endpoint to clients that trusted the published host identity, exposing password credentials or data sent to the rogue endpoint. Default all-in-one and non-authenticated standalone paths did not load the key. This issue is fixed in version 4.41.

Affected Software (1)

VendorProductVersion
seaweedfs seaweedfs >= 4.0.388, < 4.41

Bug Bounty Relevance

54 / 100
✓ Network accessible
✓ No authentication

CVSS Score

7.0 / 10.0 v4.0
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

0.42%
Raw Score 0.004230
Percentile 36.6%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00423
2026-10-28
0.00423

Intelligence Sources

mitre ref →
nvd ref →