Akaunting DoS via User-Controlled 'locale' Variable

published 2021-08-04 5y ago modified 2026-06-17 4mo ago also EUVD-2021-23379

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits: 0; none known

Akaunting version 2.1.12 and earlier suffers from a denial-of-service issue that is triggered by setting a malformed 'locale' variable and sending it in an otherwise normal HTTP POST request. This issue was fixed in version 2.1.13 of the product.

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Exploit prediction

0.98% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

rapid7.com https://www.rapid7.com/blog/post/2021/07/27/multiple-open-source-web-app-vulnerabilities-fixed/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:N/I:N/A:P

Affected products

Akaunting Akaunting

Classification

Weakness

CWE-248 Uncaught Exception

References

rapid7.com /blog/post/2021/07/27/multiple-open-source-web-app-vulnerabilities-fixed/
exploit, third-party-advisory

Sources

CVE List CVE-2021-36802
NVD CVE-2021-36802

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