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critical

CVE-2026-77806

SPIP unauthenticated remote code execution via an X-Spip-Filtre request header (exploited in the wild)

Severity
critical
Affected product
SPIP
Affected versions
SPIP ≥ 4.4.0, < 4.4.21
Fixed in
SPIP 4.4.21
Detection basis
Component version range
Shipped rule
SPIP: SPIP unauthenticated remote code execution via an X-Spip-Filtre request header (exploited in the wild)
Added to NewScan
2026-08-22
Detected by
NewScan — free, self-hosted

How NewScan reports it

COMPONENT VERSION RANGE

NewScan fingerprints SPIP from its response and reports this CVE when the detected version falls inside the affected range below.

References

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