Qutebrowser CSRF Vulnerability

published 2018-07-12 8 y ago modified 2026-06-17 4 mo ago also GHSA-wgmx-52ph-qqcw , PYSEC-2018-27 , EUVD-2018-0130

cvss: 9.3; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits: 0; none known

qutebrowser before version 1.4.1 is vulnerable to a cross-site request forgery flaw that allows websites to access 'qute://*' URLs. A malicious website could exploit this to load a 'qute://settings/set' URL, which then sets 'editor.command' to a bash script, resulting in arbitrary code execution.

Patch / fix

fixed in 2 distros 4 links 3

pypi qutebrowser 1.4.1
qutebrowser qutebrowser 1.4.1

debian ubuntu opensuse arch linux

qutebrowser Debian 14, Debian 13, Debian 12 1.4.1-1

debian advisories DEBIAN-CVE-2018-10895

qutebrowser Ubuntu 18.04 LTS 1.1.1-1ubuntu0.1

ubuntu advisories UBUNTU-CVE-2018-10895

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

qutebrowser openSUSE Tumbleweed 2.3.1-2.1

opensuse advisories openSUSE-SU-2024:11292-1

qutebrowser Arch Linux 1.4.1-1

arch linux advisories AVG-735

github.com/qutebrowser/qutebrowser@43e58ac commit
bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10895 advisory
openwall.com/lists/oss-security/2018/07/11/7 advisory

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-10895 updated 2026-01-09 cvss 9.3

qutebrowser: Cross-site request forgery flaw allows sites to access 'qute://*' URLs and execute arbitrary code

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.20% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	9.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
NVD	3.0	8.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P
GitHub	3.0	8.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
pypi	qutebrowser	<1.4.1	1.4.1

Affected products

qutebrowser cross-site request forgery flaw allows sites to access 'qute

Classification

Weakness

CWE-352 Cross-Site Request Forgery

References

github.com /qutebrowser/qutebrowser/commit/43e58ac865ff862c2008c510fc5f7627e10b4660
web, patch, third-party-advisory
bugzilla.redhat.com /show_bug.cgi?id=CVE-2018-10895
web, issue-tracking, patch, third-party-advisory, report
openwall.com /lists/oss-security/2018/07/11/7
mailing-list, web, mitigation, patch, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2018-10895
advisory
github.com /pypa/advisory-database/tree/main/vulns/qutebrowser/PYSEC-2018-27.yaml
web
github.com /qutebrowser/qutebrowser
package
github.com /advisories/GHSA-wgmx-52ph-qqcw
advisory

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary