CVE-2026-30580: File Thingie 2.5.7 is vulnerable to Directory Traversal

Routine

MEDIUM 4.3DOWNGRADE

CVE-2026-30580 is a medium-severity flaw (CVSS 4.3) affecting file thingie. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

File Thingie 2.5.7 is vulnerable to Directory Traversal. A malicious user can leverage the "create folder from url" functionality of the application to read arbitrary files on the target system.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-03-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: leefish

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

Am I affected?

Timeline

2026-03-20 18:16 UTCPublished CVE record published
2026-06-17 10:32 UTCUpdated Record last modified

leefish file thingie DOWNGRADE

Affected: 2.5.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.5.7

1. Check installed version

apt-cache policy file-thingie || rpm -q file-thingie || file-thingie --version

2. No fixed release: DOWNGRADE to a release before 2.5.7 (Debian / Ubuntu)

apt-cache madison file-thingie sudo apt install file-thingie=<VERSION_BEFORE_2.5.7> sudo apt-mark hold file-thingie

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list file-thingie sudo dnf downgrade file-thingie-<VERSION_BEFORE_2.5.7> sudo dnf versionlock add file-thingie

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2026-30580?

file thingie: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-30580 being exploited?

CVE-2026-30580 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-2026-30580 affect?

CVE-2026-30580 affects file thingie. Severity is medium (CVSS 4.3). File Thingie 2.5.7 is vulnerable to Directory Traversal. A malicious user can leverage the "create folder from url" functionality of the application to read arbitrary files on the target system.

How urgent is CVE-2026-30580?

Priority 27/100. No elevated risk signals yet.

Related CVEs

CVE-2026-30579 MEDIUM 6.5 DOWNGRADE File Thingie 2.5.7 is vulnerable to Cross Site Scripting (XSS)
CVE-2026-30578 MEDIUM 6.5 DOWNGRADE File Thinghie 2.5.7 is vulnerable to Cross Site Scripting (XSS)
CVE-2023-53942 HIGH 8.8 DOWNGRADE File Thingie 2.5.7 contains an authenticated file upload vulnerability that allows remote attackers to upload

References

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