HIGH

CVE-2026-48113

2026-08-03 CVSS v4.0

CVSS

8.5

Description

Chisel is a TCP/UDP tunnel, transported over HTTP and secured via SSH. In versions prior to 1.11.5, authenticated clients can bypass --authfile ACL restrictions and tunnel traffic to arbitrary destinations reachable from the server. The ACL is enforced only during the initial handshake against declared remotes, but never on subsequent SSH channels that carry actual traffic. A malicious client can authenticate with a permitted remote, then open channels to any host:port it wants. This issue has been fixed in version 1.11.5.

Weakness (CWE)

CWE-863 Incorrect Authorization

EPSS Score

0.29%

Probability of exploitation in next 30 days

21.7th percentile

References

https://github.com/jpillora/chisel/commit/44310b65667a97901874ffdf4815b3732c22eaa3 https://github.com/jpillora/chisel/security/advisories/GHSA-24fp-5v3p-rvpw

View on dbcve.org

Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

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