How severe is CVE-2026-30580?

CVE-2026-30580 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-30580 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-30580?

CVE-2026-30580 affects Leefish File Thingie. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-30580?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-30580 have an EU (EUVD) identifier?

Yes. CVE-2026-30580 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13742.

When was CVE-2026-30580 published?

CVE-2026-30580 was published on 2026-03-20 and last updated on 2026-06-17.

CVE-2026-30580

CVE-2026-30580 is a medium-severity vulnerability in Leefish File Thingie with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-13742
Weakness: CWE-22
Affected product: Leefish File Thingie
Published: 2026-03-20
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-30580?: 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 severe is CVE-2026-30580?: CVE-2026-30580 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-30580 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-30580?: CVE-2026-30580 affects Leefish File Thingie. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-30580?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-30580 have an EU (EUVD) identifier?: Yes. CVE-2026-30580 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13742.
When was CVE-2026-30580 published?: CVE-2026-30580 was published on 2026-03-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:leefish:file_thingie:2.5.7:*:*:*:*:*:*:*

More vulnerabilities in Leefish File Thingie

CVE-2019-25471 — Critical (CVSS 9.8): FileThingie 2.5.7 contains an arbitrary file upload vulnerability that allows attackers to upload malicious files by…
CVE-2023-53942 — High (CVSS 8.8): File Thingie 2.5.7 contains an authenticated file upload vulnerability that allows remote attackers to upload malicious…
CVE-2026-30579 — Medium (CVSS 6.5): File Thingie 2.5.7 is vulnerable to Cross Site Scripting (XSS). A malicious user can leverage the "upload file"…
CVE-2026-30578 — Medium (CVSS 6.5): File Thinghie 2.5.7 is vulnerable to Cross Site Scripting (XSS). A malicious user can leverage the "dir" parameter of…

All CVEs affecting Leefish File Thingie →

Other CWE-22 (Path Traversal) vulnerabilities

CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…

Browse all CWE-22 (Path Traversal) vulnerabilities →