How severe is CVE-2026-22905?

CVE-2026-22905 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-22905 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.

How do I fix CVE-2026-22905?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-22905 have an EU (EUVD) identifier?

Yes. CVE-2026-22905 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6927.

When was CVE-2026-22905 published?

CVE-2026-22905 was published on 2026-02-09 and last updated on 2026-06-17.

CVE-2026-22905

CVE-2026-22905 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-6927
Weakness: CWE-22
Published: 2026-02-09
Last modified: 2026-06-17

Description

An unauthenticated remote attacker can bypass authentication by exploiting insufficient URI validation and using path traversal sequences (e.g., /js/../cgi-bin/post.cgi), gaining unauthorized access to protected CGI endpoints and configuration downloads.

Frequently asked questions

What is CVE-2026-22905?: An unauthenticated remote attacker can bypass authentication by exploiting insufficient URI validation and using path traversal sequences (e.g., /js/../cgi-bin/post.cgi), gaining unauthorized access to protected CGI endpoints and configuration downloads.
How severe is CVE-2026-22905?: CVE-2026-22905 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-22905 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.
How do I fix CVE-2026-22905?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-22905 have an EU (EUVD) identifier?: Yes. CVE-2026-22905 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6927.
When was CVE-2026-22905 published?: CVE-2026-22905 was published on 2026-02-09 and last updated on 2026-06-17.

References

https://certvde.com/de/advisories/VDE-2026-004

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