How severe is CVE-2026-30915?

CVE-2026-30915 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 none, integrity low, and availability none.

Is CVE-2026-30915 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-30915?

CVE-2026-30915 affects Sftpgo Project Sftpgo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-30915?

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

Does CVE-2026-30915 have an EU (EUVD) identifier?

Yes. CVE-2026-30915 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12073.

When was CVE-2026-30915 published?

CVE-2026-30915 was published on 2026-03-13 and last updated on 2026-06-17.

CVE-2026-30915

CVE-2026-30915 is a medium-severity vulnerability in Sftpgo Project Sftpgo 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)
CVSS v4: 5.3
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-12073
Weakness: CWE-22
Affected product: Sftpgo Project Sftpgo
Published: 2026-03-13
Last modified: 2026-06-17

Description

SFTPGo is an open source, event-driven file transfer solution. SFTPGo versions before v2.7.1 contain an input validation issue in the handling of dynamic group paths, for example, home directories or key prefixes. When a group is configured with a dynamic home directory or key prefix using placeholders like %username%, the value replacing the placeholder is not strictly sanitized against relative path components. Consequently, if a user is created with a specially crafted username the resulting path may resolve to a parent directory instead of the intended sub-directory. This issue is fixed in version v2.7.1

Frequently asked questions

What is CVE-2026-30915?: SFTPGo is an open source, event-driven file transfer solution. SFTPGo versions before v2.7.1 contain an input validation issue in the handling of dynamic group paths, for example, home directories or key prefixes. When a group is configured with a dynamic home directory or key prefix using placeholders like %username%, the value replacing the placeholder is not strictly sanitized against relative path components. Consequently, if a user is created with a specially crafted username the resulting path may resolve to a parent directory instead of the intended sub-directory. This issue is fixed in version v2.7.1
How severe is CVE-2026-30915?: CVE-2026-30915 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 none, integrity low, and availability none.
Is CVE-2026-30915 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-30915?: CVE-2026-30915 affects Sftpgo Project Sftpgo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-30915?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-30915 have an EU (EUVD) identifier?: Yes. CVE-2026-30915 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12073.
When was CVE-2026-30915 published?: CVE-2026-30915 was published on 2026-03-13 and last updated on 2026-06-17.

References

https://github.com/drakkan/sftpgo/security/advisories/GHSA-m83q-5wr4-4gfp

Affected products (1)

cpe:2.3:a:sftpgo_project:sftpgo:*:*:*:*:*:*:*:*

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