CVE-2026-70615Patch

LOWCVSS 8.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

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0.5/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-93

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

Patch or workaround signal is available
1 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Patch

1100.0%

Referenced assets1 URL

By indicator

http://threataft.com/articles/boringproxy-cve-2026-70615

Full discourse1 post

ThreatAft@ThreatAft47d
Patch
🚨 boringproxy SSH Injection — CVSS 9.9 CVE-2026-70615: Newline injection allows authenticated low-privilege users to inject SSH keys and gain persistent root access. Update to 0.10.1 NOW. → http://threataft.com/articles/boringproxy-cve-2026-70615 #cybersecurity #infosec #boringproxy #SSH #ThreatIntel
Post summary
A newline injection flaw in boringproxy (CVE‑2026‑70615) lets low‑privilege users inject SSH keys to achieve persistent root access; the 0.10.1 update now provides a patch.
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