CVE-2020-26230: Radar COVID is the official COVID-19 exposure notification app for Spain

Q: How do I fix CVE-2020-26230?

radar-covid-backend-dp3t-server: upgrade to 1.1.2; radarcovid: upgrade to 1.0.7, 1.1.0; radarcovid: upgrade to 1.0.8, 1.1.0. Exact commands for each OS are on this page.

Q: Is CVE-2020-26230 being exploited?

CVE-2020-26230 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-26230 affect?

CVE-2020-26230 affects radar-covid-backend-dp3t-server, radarcovid, radarcovid. Severity is high (CVSS 7.4). Radar COVID is the official COVID-19 exposure notification app for Spain. In affected versions of Radar COVID, identification and de-anonymization of COVID-19 positive users that upload Radar COVID TEKs to the Radar COVID server is possible

Q: How urgent is CVE-2020-26230?

Priority 50/100. High severity; Public exploit reference

This month

HIGH 7.4UPGRADEUPGRADEUPGRADE

CVE-2020-26230 is a high-severity flaw (CVSS 7.4) affecting radar-covid-backend-dp3t-server, radarcovid, radarcovid. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Radar COVID is the official COVID-19 exposure notification app for Spain. In affected versions of Radar COVID, identification and de-anonymization of COVID-19 positive users that upload Radar COVID TEKs to the Radar COVID server is possible. This vulnerability enables the identification and de-anonymization of COVID-19 positive users when using Radar COVID. The vulnerability is caused by the fact that Radar COVID connections to the server (upload

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.4 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Weakness	CWE-200
Published	2020-11-13
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: radarcovid

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-11-13 19:15 UTCPublished CVE record published
2026-06-17 03:07 UTCUpdated Record last modified

radarcovid radar-covid-backend-dp3t-server UPGRADE

Affected: < 1.1.2

Fixed in: 1.1.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy radar-covid-backend-dp3t-server || rpm -q radar-covid-backend-dp3t-server || radar-covid-backend-dp3t-server --version

2. UPGRADE to 1.1.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade radar-covid-backend-dp3t-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade radar-covid-backend-dp3t-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

radarcovid radarcovid UPGRADE

Affected: < 1.0.7 · < 1.1.0

Fixed in: 1.0.7, 1.1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy radarcovid || rpm -q radarcovid || radarcovid --version

2. UPGRADE to 1.0.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade radarcovid

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade radarcovid

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

radarcovid radarcovid UPGRADE

Affected: < 1.0.8 · < 1.1.0

Fixed in: 1.0.8, 1.1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy radarcovid || rpm -q radarcovid || radarcovid --version

2. UPGRADE to 1.0.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade radarcovid

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade radarcovid

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-26230?

radar-covid-backend-dp3t-server: upgrade to 1.1.2; radarcovid: upgrade to 1.0.7, 1.1.0; radarcovid: upgrade to 1.0.8, 1.1.0. Exact commands for each OS are on this page.

Is CVE-2020-26230 being exploited?

CVE-2020-26230 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-26230 affect?

CVE-2020-26230 affects radar-covid-backend-dp3t-server, radarcovid, radarcovid. Severity is high (CVSS 7.4). Radar COVID is the official COVID-19 exposure notification app for Spain. In affected versions of Radar COVID, identification and de-anonymization of COVID-19 positive users that upload Radar COVID TEKs to the Radar COVID server is possible

How urgent is CVE-2020-26230?

Priority 50/100. High severity; Public exploit reference

References

← Back to latest CVEs