What is CVE-2025-55521?

CVE-2025-55521 is a medium-severity vulnerability in Akaunting, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2025-08-21.

How severe is CVE-2025-55521?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2025-55521 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Akaunting

CVE-2025-55521

An issue in the component /settings/localisation of Akaunting v3.1.18 allows authenticated attackers to cause a Denial of Service (DoS) via a crafted POST request.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.005 (38.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Akaunting
N/a — versions n/a

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Product)
cve@mitre.org (Not Applicable)
cve@mitre.org (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2025-55521?: CVE-2025-55521 is a medium-severity vulnerability in Akaunting, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2025-08-21.
How severe is CVE-2025-55521?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2025-55521 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.