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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| SPIP | SPIP | < 4.4.10 | 4.4.10 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | spip | 4.4.10+dfsg-1 | — |
| Debian 13 | spip | 4.4.11+dfsg-0+deb13u1 | DSA-6155-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | spip | No fix yet | — |
| Ubuntu 26.04 LTS | spip | No fix yet | — |
| Ubuntu 25.10 | spip | No fix yet | — |
| Ubuntu 24.04 LTS | spip | No fix yet | — |
| Ubuntu 22.04 LTS | spip | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | spip | No fix yet | — |
| Ubuntu Pro 18.04 LTS | spip | No fix yet | — |
| Ubuntu Pro 16.04 LTS | spip | No fix yet | — |
Advisories 1
- DSA-6155-1 spip - security update Debian Security (DSA / DLA) · Mar 9, 2026