CVE-2026-22205: SPIP versions prior to 4.4.10 contain an authentication bypass vulnerability caused by PHP type juggling that

Q: How do I fix CVE-2026-22205?

spip: upgrade to 4.4.10. Exact commands for each OS are on this page.

Q: Is CVE-2026-22205 being exploited?

CVE-2026-22205 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-22205 affect?

CVE-2026-22205 affects spip. Severity is high (CVSS 7.5). 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 l

Q: How urgent is CVE-2026-22205?

Priority 42/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2026-22205 is a high-severity flaw (CVSS 7.5) affecting spip. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-288
Published	2026-02-26
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: spip

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

Am I affected?

Timeline

2026-02-26 21:28 UTCPublished CVE record published
2026-06-17 10:19 UTCUpdated Record last modified

spip spip UPGRADE

Affected: < 4.4.10

Fixed in: 4.4.10

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy spip || rpm -q spip || spip --version

2. UPGRADE to 4.4.10 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade spip

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade spip

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2026-22205?

spip: upgrade to 4.4.10. Exact commands for each OS are on this page.

Is CVE-2026-22205 being exploited?

CVE-2026-22205 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-2026-22205 affect?

CVE-2026-22205 affects spip. Severity is high (CVSS 7.5). 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 l

How urgent is CVE-2026-22205?

Priority 42/100. High severity; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-33549 MEDIUM 6.7 UPGRADE SPIP 4.4.10 through 4.4.12 before 4.4.13 allows unintended privilege assignment (of administrator privileges)
CVE-2026-22206 HIGH 8.8 UPGRADE SPIP versions prior to 4.4.10 contain a SQL injection vulnerability that allows authenticated low-privilege us

References

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