CVE-2026-33634 Aquasecurity Trivy: hidden backdoor
In plain words: The software was shipped with hidden malicious code inside it. Whoever planted it has secret access to every copy.
Confirmed exploited by CISA on · US federal patch deadline Apr 9, 2026
What to do
- Install Aquasecurity's security update for Trivy. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Install system updates the day they come out — most phone zero-days are fixed in a point release.
- Restart your phone every few days; some spyware does not survive a reboot.
- If you are a journalist, activist, lawyer, politician or executive, turn on Lockdown Mode (iPhone) or Advanced Protection (Android).
Who is affected
Could reach you. This one is aimed at devices or apps of the kind people own.
What's at risk: Messages, photos, location, microphone and camera. The most serious ones are "zero-click": no tap needed from the owner. They are usually used as spyware against a small number of chosen people.
The details
- Official name
- Aquasecurity Trivy Embedded Malicious Code Vulnerability
- Product
- Aquasecurity Trivy
- CISA description
- Aquasecurity Trivy contains an embedded malicious code vulnerability that could allow an attacker to gain access to everything in the CI/CD environment, including all tokens, SSH keys, cloud credentials, database passwords, and any sensitive configuration in memory.
- Type of flaw
- Hidden backdoor (CWE-506)
- Confirmed exploited
- Mar 26, 2026
- US federal patch deadline
- Apr 9, 2026
Ask Cleus about it
Ask about a vulnerability, an update, a weird message, or the news. Plain-word answers, free, no account.
Answering about CVE-2026-33634 ·
Questions about CVE-2026-33634
Is CVE-2026-33634 being exploited?
Yes. CISA added CVE-2026-33634 to its Known Exploited Vulnerabilities catalog on Mar 26, 2026, which means there is reliable evidence of real-world attacks.
How do I fix CVE-2026-33634?
Install Aquasecurity's security update for Trivy. If no update exists, follow the vendor's workaround or stop using the product until one ships. Install system updates the day they come out — most phone zero-days are fixed in a point release.
Am I affected by CVE-2026-33634?
Only if you use Aquasecurity Trivy. This one is aimed at devices or apps of the kind people own.