EUVD-2026-56020
GHSA-8xqr-cc5h-9wvp
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Unauthenticated, network-reachable, low-complexity injection with no user interaction and full database read/write/delete gives PR:N, AC:L, and C:H/I:H/A:H.
Primary rating from Vendor (TuranSec).
CVSS VectorVendor: TuranSec
Lifecycle Timeline
2DescriptionCVE.org
An SQL injection vulnerability in Friendica through the 2026.08-dev branch allows unauthenticated remote attackers to execute arbitrary SQL statements via the photo-view order parameter. The parameter is concatenated unescaped into a SHOW COLUMNS query via a bare PDO::query() call, enabling stacked statement injection. An unauthenticated attacker can read, modify, or delete the entire database.
AnalysisAI
Unauthenticated SQL injection in Friendica (through the 2026.08-dev branch) lets remote attackers inject arbitrary SQL through the photo-view 'order' parameter, which is concatenated unsanitized into a SHOW COLUMNS query executed via a bare PDO::query() call. Because PDO::query() permits stacked statements, an attacker needs no credentials to read, alter, or destroy the entire backing database. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions - remote unauthenticated exploitation against default configurations of Friendica up to the 2026.08-dev branch. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The signals are internally consistent and point to genuine high priority rather than an inflated CVSS: the vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H describes remote, unauthenticated, low-complexity exploitation with no user interaction and total impact on confidentiality, integrity, and availability, which matches a description of unauthenticated stacked-statement SQL injection reaching the whole database. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patched version is identified in the available data - the sole reference (https://github.com/friendica/friendica) points to the project repository rather than a tagged fix or advisory, so operators should watch that repository and the Friendica security channels for a fixed release and upgrade to it as soon as it is published; do not assume a version number that has not been confirmed. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify all systems running Friendica 2026.08-dev and assess criticality; immediately isolate or disable the vulnerable photo-view feature if production-facing. …
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Same weakness CWE-89 – SQL Injection
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External POC / Exploit Code
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