What is CVE-2026-41309?

CVE-2026-41309 is a high-severity vulnerability in Opensource-socialnetwork, classified under Uncontrolled Resource Consumption. CVSS score: 8.2/10. Published 2026-04-24.

How severe is CVE-2026-41309?

High severity. CVSS v3 base score is 8.2 out of 10.

Resource exhaustion in Opensource-socialnetwork

CVE-2026-41309

Open Source Social Network (OSSN) is open-source social networking software developed in PHP. Versions prior to 9.0 are vulnerable to resource exhaustion. An attacker can upload a specially crafted image with extreme pixel dimensions (e.g…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.004 (29.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.

Affected products

Opensource-socialnetwork — versions < 9.0

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-41309?: CVE-2026-41309 is a high-severity vulnerability in Opensource-socialnetwork, classified under Uncontrolled Resource Consumption. CVSS score: 8.2/10. Published 2026-04-24.
How severe is CVE-2026-41309?: High severity. CVSS v3 base score is 8.2 out of 10.