CVE-2026-70615 (GCVE-0-2026-70615)

Vulnerability from cvelistv5 – Published: 2026-08-05 19:34 – Updated: 2026-08-06 17:33 X_Open Source
VLAI
Title
boringproxy 0.10.0 SSH authorized_keys Injection via Tunnel Creation
Summary
boringproxy through 0.10.0 contains a newline injection vulnerability that allows authenticated low-privileged users with tunnel-creation permission to inject arbitrary lines into the server account's SSH authorized_keys file by supplying a percent-encoded newline character in the domain parameter of the tunnel creation endpoint. Attackers can insert an unrestricted public key entry into authorized_keys to gain persistent shell access, and subsequently read cleartext credentials from the database file including all user tokens, tunnel private keys, and TLS certificates.
Severity
8.5 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-06 17:32 UTC
CWE
  • CWE-93 - Improper Neutralization of CRLF Sequences ('CRLF Injection')
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6413 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
boringproxy boringproxy Affected: 0 , ≤ 0.10.0 (semver)
guessed Create a notification for this product.
Date Public
2026-08-01 00:00
Credits
Theodosis Paidakis
Show details on NVD website
To clipboard 

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