Vulnerability in Apache Maven

CVE-2021-26291

Apache Maven will follow repositories that are defined in a dependency’s Project Object Model (pom) which may be surprising to some users, resulting in potential risk if a malicious actor takes over that repository or is able to insert the…

EPSS: 0.087 (94.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-26291?
CVE-2021-26291 is a critical-severity vulnerability in Apache Maven, classified under Origin Validation Error. CVSS score: 9.1/10. Published 2021-04-23.
How severe is CVE-2021-26291?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2021-26291 known to be exploited?
15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.