Vulnerability in Redmine

CVE-2017-18026

Redmine before 3.2.9, 3.3.x before 3.3.6, and 3.4.x before 3.4.4 does not block the --config and --debugger flags to the Mercurial hg program, which allows remote attackers to execute arbitrary commands (through the Mercurial adapter) via vectors involving a branch whose name begins with a --config= or --debugger= substring, a related issue to CVE-2017-17536.

EPSS: 0.028 (85.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-18026?
CVE-2017-18026 is a high-severity vulnerability in Redmine. CVSS score: 8.8/10. Published 2018-01-10.
How severe is CVE-2017-18026?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2017-18026 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.