CVE-2025-27553: Relative Path Traversal vulnerability in Apache Commons VFS before 2.10.0. The FileObject API in Commons VFS

Q: How do I fix CVE-2025-27553?

commons vfs: upgrade to 2.10.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-27553 being exploited?

CVE-2025-27553 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-27553 affect?

CVE-2025-27553 affects commons vfs. Severity is high (CVSS 7.5). Relative Path Traversal vulnerability in Apache Commons VFS before 2.10.0. The FileObject API in Commons VFS has a 'resolveFile' method that takes a 'scope' parameter. Specifying 'NameScope.DESCENDENT' promises that "an exception is thrown

Q: How urgent is CVE-2025-27553?

Priority 54/100. High severity; Remotely exploitable, no login, no user action; On your watchlist

This month

HIGH 7.5REMOTEWATCHLISTUPGRADE

CVE-2025-27553 is a high-severity flaw (CVSS 7.5) affecting commons vfs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Relative Path Traversal vulnerability in Apache Commons VFS before 2.10.0. The FileObject API in Commons VFS has a 'resolveFile' method that takes a 'scope' parameter. Specifying 'NameScope.DESCENDENT' promises that "an exception is thrown if the resolved file is not a descendent of the base file". However, when the path contains encoded ".." characters (for example, "%2E%2E/bar.txt"), it might return file objects that are not a descendent of th

Why this priority

High severity
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.4% (top 27%)
CISA exploited list	No
Weakness	CWE-23
Published	2025-03-23
Last modified	2026-06-17

Publisher (CNA): Apache Software Foundation · Vendor: apache

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-03-23 15:15 UTCPublished CVE record published
2026-06-17 09:03 UTCUpdated Record last modified

apache commons vfs UPGRADE

Affected: < 2.10.0

Fixed in: 2.10.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy commons-vfs || rpm -q commons-vfs || commons-vfs --version

2. UPGRADE to 2.10.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade commons-vfs

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade commons-vfs

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-27553?

commons vfs: upgrade to 2.10.0. Exact commands for each OS are on this page.

Is CVE-2025-27553 being exploited?

CVE-2025-27553 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-27553 affect?

CVE-2025-27553 affects commons vfs. Severity is high (CVSS 7.5). Relative Path Traversal vulnerability in Apache Commons VFS before 2.10.0. The FileObject API in Commons VFS has a 'resolveFile' method that takes a 'scope' parameter. Specifying 'NameScope.DESCENDENT' promises that "an exception is thrown

How urgent is CVE-2025-27553?

Priority 54/100. High severity; Remotely exploitable, no login, no user action; On your watchlist

Related CVEs

CVE-2025-30474 MEDIUM 5.0 UPGRADE Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Commons VFS. The FtpFileOb

References

← Back to latest CVEs