CVE-2026-33503: Ory Kratos is an identity, user management and authentication system for cloud services

Q: How do I fix CVE-2026-33503?

kratos: upgrade to 26.2.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-33503 being exploited?

CVE-2026-33503 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-2026-33503 affect?

CVE-2026-33503 affects kratos. Severity is high (CVSS 7.2). Ory Kratos is an identity, user management and authentication system for cloud services. Prior to version 26.2.0, the ListCourierMessages Admin API in Ory Kratos is vulnerable to SQL injection due to flaws in its pagination implementation.

Routine

HIGH 7.2UPGRADE

CVE-2026-33503 is a high-severity flaw (CVSS 7.2) affecting kratos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Ory Kratos is an identity, user management and authentication system for cloud services. Prior to version 26.2.0, the ListCourierMessages Admin API in Ory Kratos is vulnerable to SQL injection due to flaws in its pagination implementation. Pagination tokens are encrypted using the secret configured in `secrets.pagination`. An attacker who knows this secret can craft their own tokens, including malicious tokens that lead to SQL injection. If this

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.3% (top 82%)
CISA exploited list	No
Weakness	CWE-89
Published	2026-03-26
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2026-03-26 18:16 UTCPublished CVE record published
2026-06-17 10:37 UTCUpdated Record last modified

ory kratos UPGRADE

Affected: < 26.2.0

Fixed in: 26.2.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 26.2.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade kratos

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-2026-33503?

kratos: upgrade to 26.2.0. Exact commands for each OS are on this page.

Is CVE-2026-33503 being exploited?

CVE-2026-33503 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-2026-33503 affect?

CVE-2026-33503 affects kratos. Severity is high (CVSS 7.2). Ory Kratos is an identity, user management and authentication system for cloud services. Prior to version 26.2.0, the ListCourierMessages Admin API in Ory Kratos is vulnerable to SQL injection due to flaws in its pagination implementation.

How urgent is CVE-2026-33503?

Priority 30/100. High severity

References

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