CVE catalog

CVE-2021-41116

composer: CVE-2021-41116

Severity: High · CVSS 8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
Published: Oct 5, 2021, 6:15:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 2.83% · Oct 25, 2026

Composer is an open source dependency manager for the PHP language. In affected versions windows users running Composer to install untrusted dependencies are subject to command injection and should upgrade their composer version. Other OSs and WSL are not affected. The issue has been resolved in composer versions 1.10.23 and 2.1.9. There are no workarounds for this issue.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	composer	sid	`2.10.3-1`	not affected
Debian	composer	forky	`2.10.3-1`	not affected
Debian	composer	trixie	`2.8.8-1+deb13u3`	not affected
Debian	composer	bookworm	`2.5.5-1+deb12u5`	not affected
Debian	composer	bookworm-security	`2.5.5-1+deb12u2`	not affected
Suse	php-composer	package hub 15 sp3	`1.10.26-bp153.2.6.1`	fixed
Opensuse	php-composer	leap 15.3	`1.10.26-bp153.2.6.1`	fixed
Opensuse	php-composer	tumbleweed	`1.10.25-1.1`	fixed
Ubuntu	composer	pro	`1.0.0~alpha10+20150602-1`	vulnerable
Ubuntu	composer	pro	`1.0.0~alpha10+20150602-2`	vulnerable
Ubuntu	composer	pro	`1.0.0~alpha11-1`	vulnerable
Ubuntu	composer	pro	`1.0.0~alpha11-1ubuntu1`	vulnerable
Ubuntu	composer	pro	`1.0.0~alpha11-2`	vulnerable
Ubuntu	composer	pro	`1.0.0~alpha11-3`	vulnerable
Ubuntu	composer	pro	`1.0.0~beta1-1ubuntu1`	vulnerable
Ubuntu	composer	pro	`1.0.0~beta2-1`	vulnerable
Ubuntu	composer	pro	`1.0.0~beta2-1ubuntu0.1~esm1`	vulnerable
Ubuntu	composer	pro	`1.0.0~beta2-1ubuntu0.1~esm2`	vulnerable
Opensuse	php-composer2	tumbleweed	`2.1.12-1.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	composer	source	sid	`Not affected`	unimportant	Not reported	Not reported
Debian	composer	source	forky	`Not affected`	unimportant	Not reported	Not reported
Debian	composer	source	trixie	`Not affected`	unimportant	Not reported	Not reported
Debian	composer	source	bookworm	`Not affected`	unimportant	Not reported	Not reported
Suse	php-composer	rpm	package hub 15 sp3	`1.10.26-bp153.2.6.1`	Not reported	OPENSUSE-SU-2022:0132-1	Not reported
Opensuse	php-composer	rpm	leap 15.3	`1.10.26-bp153.2.6.1`	Not reported	OPENSUSE-SU-2022:0132-1	Not reported
Opensuse	php-composer	rpm	tumbleweed	`1.10.25-1.1`	Not reported	OPENSUSE-SU-2024:11874-1	Not reported
Opensuse	php-composer2	rpm	tumbleweed	`2.1.12-1.1`	Not reported	OPENSUSE-SU-2024:11617-1	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[composer]Not affected
Details (4)
- 2.5.5-1+deb12u5 · all · bookworm
  Not affected
  dsa · composer · debian · bookworm
- 2.5.5-1+deb12u5 · all · bookworm
  Not affected
  dsa · composer · debian · bookworm
- 2.5.5-1+deb12u2 · all · bookworm-security
  Not affected
  dsa · composer · debian · bookworm
- 2.5.5-1+deb12u2 · all · bookworm-security
  Not affected
  dsa · composer · debian · bookworm

[openSUSE Tumbleweed]

[php-composer]Fixed
Source package: [php-composer]
Details (1)
- 1.10.26-2.8 · noarch · tumbleweed
  Fixed · Fixed: 1.10.25-1.1
  dsa · php-composer · opensuse · tumbleweed
[php-composer2]Fixed
Source package: [php-composer2]
Details (1)
- 2.10.3-1.1 · noarch · tumbleweed
  Fixed · Fixed: 2.1.12-1.1
  dsa · php-composer2 · opensuse · tumbleweed

Observed: Oct 23, 2026, 6:02:40 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]