An information disclosure vulnerability exists in the Friend finder functionality of GmbH Komoot version 10.26.9 up to 11.1.11.

published 2021-08-20 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-8994

cvss: 5.3; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits: 0; none known

An information disclosure vulnerability exists in the Friend finder functionality of GmbH Komoot version 10.26.9 up to 11.1.11. A specially crafted series of network requests can lead to the disclosure of sensitive information.

Exploit prediction

0.90% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	5.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

n/a Komoot

Classification

Weakness

CWE-359 Exposure of Private Personal Information to an Unauthorized Actor
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

talosintelligence.com /vulnerability_reports/TALOS-2021-1288
third-party-advisory

Sources

CVE List CVE-2021-21823
NVD CVE-2021-21823

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Summary