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Vulnerability details: VCID-hcqm-dw7s-v7cc
Vulnerability ID VCID-hcqm-dw7s-v7cc
Aliases CVE-2026-27472
Summary SPIP before 4.4.9 allows Blind Server-Side Request Forgery (SSRF) via syndicated sites in the private area. When editing a syndicated site, the application does not verify that the syndication URL is a valid remote URL, allowing an authenticated attacker to make the server issue requests to arbitrary internal or external destinations. This vulnerability is not mitigated by the SPIP security screen.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.00063 https://api.first.org/data/v1/epss?cve=CVE-2026-27472
cvssv3.1 4.3 https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html
cvssv4 5.3 https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html
ssvc Track https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html
cvssv3.1 4.3 https://git.spip.net/spip/spip
cvssv4 5.3 https://git.spip.net/spip/spip
ssvc Track https://git.spip.net/spip/spip
cvssv3.1 4.3 https://www.vulncheck.com/advisories/spip-blind-server-side-request-forgery-via-syndicated-sites
cvssv4 5.3 https://www.vulncheck.com/advisories/spip-blind-server-side-request-forgery-via-syndicated-sites
ssvc Track https://www.vulncheck.com/advisories/spip-blind-server-side-request-forgery-via-syndicated-sites
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-27472
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-27472
Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html
spip https://git.spip.net/spip/spip
spip-blind-server-side-request-forgery-via-syndicated-sites https://www.vulncheck.com/advisories/spip-blind-server-side-request-forgery-via-syndicated-sites
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L Found at https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-02-20T20:07:21Z/ Found at https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://git.spip.net/spip/spip
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L Found at https://git.spip.net/spip/spip
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-02-20T20:07:21Z/ Found at https://git.spip.net/spip/spip
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://www.vulncheck.com/advisories/spip-blind-server-side-request-forgery-via-syndicated-sites
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L Found at https://www.vulncheck.com/advisories/spip-blind-server-side-request-forgery-via-syndicated-sites
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-02-20T20:07:21Z/ Found at https://www.vulncheck.com/advisories/spip-blind-server-side-request-forgery-via-syndicated-sites
Exploit Prediction Scoring System (EPSS)
Percentile 0.19811
EPSS Score 0.00063
Published At May 29, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-29T13:49:29.933659+00:00 Debian Oval Importer Import https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.6.0