CVE-2025-55795: The openml/openml.org web application version v2.0.20241110 uses incremental user IDs and insufficient email o

Q: How do I fix CVE-2025-55795?

openml frontend: upgrade to 2.0.20251111. Exact commands for each OS are on this page.

Q: Is CVE-2025-55795 being exploited?

CVE-2025-55795 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-2025-55795 affect?

CVE-2025-55795 affects openml frontend. Severity is low (CVSS 3.5). The openml/openml.org web application version v2.0.20241110 uses incremental user IDs and insufficient email ownership verification during email update workflows. An authenticated attacker controlling a user account with a lower user ID can

Q: How urgent is CVE-2025-55795?

Priority 23/100. Public exploit reference

Routine

LOW 3.5UPGRADE

CVE-2025-55795 is a low-severity flaw (CVSS 3.5) affecting openml frontend. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The openml/openml.org web application version v2.0.20241110 uses incremental user IDs and insufficient email ownership verification during email update workflows. An authenticated attacker controlling a user account with a lower user ID can update their email address to that of another user with a higher user ID without proper verification. This results in the victim's email being reassigned to the attacker's account, causing the victim to be loc

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-284, CWE-639
Published	2025-09-29
Last modified	2026-09-29

Publisher (CNA): MITRE · Vendor: openml

Last updated 2026-09-29 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-09-29 15:16 UTCPublished CVE record published
2026-09-29 14:41 UTCUpdated Record last modified

openml openml frontend UPGRADE

Affected: < 2.0.20251111

Fixed in: 2.0.20251111

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy openml-frontend || rpm -q openml-frontend || openml-frontend --version

2. UPGRADE to 2.0.20251111 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade openml-frontend

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade openml-frontend

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-2025-55795?

openml frontend: upgrade to 2.0.20251111. Exact commands for each OS are on this page.

Is CVE-2025-55795 being exploited?

CVE-2025-55795 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-2025-55795 affect?

CVE-2025-55795 affects openml frontend. Severity is low (CVSS 3.5). The openml/openml.org web application version v2.0.20241110 uses incremental user IDs and insufficient email ownership verification during email update workflows. An authenticated attacker controlling a user account with a lower user ID can

How urgent is CVE-2025-55795?

Priority 23/100. Public exploit reference

Related CVEs

CVE-2025-55796 HIGH 7.5 UPGRADE The openml/openml.org web application version v2.0.20241110 uses predictable MD5-based tokens for critical use

References

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