How severe is CVE-2026-22205?

CVE-2026-22205 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-2026-22205 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-22205?

CVE-2026-22205 affects Spip. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-22205?

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-2026-22205 have an EU (EUVD) identifier?

Yes. CVE-2026-22205 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8883.

When was CVE-2026-22205 published?

CVE-2026-22205 was published on 2026-02-26 and last updated on 2026-06-17.

CVE-2026-22205

CVE-2026-22205 is a high-severity vulnerability in Spip 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-288.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-8883
Weakness: CWE-288
Affected product: Spip
Published: 2026-02-26
Last modified: 2026-06-17

Description

SPIP versions prior to 4.4.10 contain an authentication bypass vulnerability caused by PHP type juggling that allows unauthenticated attackers to access protected information. Attackers can exploit loose type comparisons in authentication logic to bypass login verification and retrieve sensitive internal data.

Frequently asked questions

What is CVE-2026-22205?: SPIP versions prior to 4.4.10 contain an authentication bypass vulnerability caused by PHP type juggling that allows unauthenticated attackers to access protected information. Attackers can exploit loose type comparisons in authentication logic to bypass login verification and retrieve sensitive internal data.
How severe is CVE-2026-22205?: CVE-2026-22205 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-2026-22205 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-22205?: CVE-2026-22205 affects Spip. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-22205?: 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-2026-22205 have an EU (EUVD) identifier?: Yes. CVE-2026-22205 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8883.
When was CVE-2026-22205 published?: CVE-2026-22205 was published on 2026-02-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:spip:spip:*:*:*:*:*:*:*:*

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