CVE-2025-56423: An issue in Austrian Academy of Sciences (AW) Austrian Archaeological Institute OpenAtlas v.8.12.0 allows a re

Q: How do I fix CVE-2025-56423?

openatlas: upgrade to 8.12.1. Exact commands for each OS are on this page.

Q: Is CVE-2025-56423 being exploited?

CVE-2025-56423 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-2025-56423 affect?

CVE-2025-56423 affects openatlas. Severity is medium (CVSS 5.3). An issue in Austrian Academy of Sciences (AW) Austrian Archaeological Institute OpenAtlas v.8.12.0 allows a remote attacker to obtain sensitive information via the login error messages

Q: How urgent is CVE-2025-56423?

Priority 35/100. Remotely exploitable, no login, no user action; On your watchlist

Routine

MEDIUM 5.3REMOTEWATCHLISTUPGRADE

CVE-2025-56423 is a medium-severity flaw (CVSS 5.3) affecting openatlas. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue in Austrian Academy of Sciences (AW) Austrian Archaeological Institute OpenAtlas v.8.12.0 allows a remote attacker to obtain sensitive information via the login error messages

Why this priority

Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 73%)
CISA exploited list	No
Weakness	CWE-203
Published	2025-11-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: craws

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

Am I affected?

Timeline

2025-11-24 16:15 UTCPublished CVE record published
2026-06-17 09:42 UTCUpdated Record last modified

craws openatlas UPGRADE

Affected: < 8.12.1

Fixed in: 8.12.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 8.12.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade openatlas

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-2025-56423?

openatlas: upgrade to 8.12.1. Exact commands for each OS are on this page.

Is CVE-2025-56423 being exploited?

CVE-2025-56423 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-2025-56423 affect?

CVE-2025-56423 affects openatlas. Severity is medium (CVSS 5.3). An issue in Austrian Academy of Sciences (AW) Austrian Archaeological Institute OpenAtlas v.8.12.0 allows a remote attacker to obtain sensitive information via the login error messages

How urgent is CVE-2025-56423?

Priority 35/100. Remotely exploitable, no login, no user action; On your watchlist

Related CVEs

CVE-2025-40702 MEDIUM 5.4 DOWNGRADE Cross-Site Scripting (XSS) vulnerability in OpenAtlas v8.9.0 from the Austrian Centre for Digital Humanities a
CVE-2025-40703 MEDIUM 5.4 DOWNGRADE Cross-Site Scripting (XSS) vulnerability in OpenAtlas v8.9.0 from the Austrian Centre for Digital Humanities a
CVE-2025-40704 MEDIUM 5.4 DOWNGRADE Cross-Site Scripting (XSS) vulnerability in OpenAtlas v8.9.0 from the Austrian Centre for Digital Humanities a
CVE-2025-40705 MEDIUM 5.4 DOWNGRADE Cross-Site Scripting (XSS) vulnerability in OpenAtlas v8.9.0 from the Austrian Centre for Digital Humanities a
CVE-2025-40706 MEDIUM 5.4 DOWNGRADE Cross-Site Scripting (XSS) vulnerability in OpenAtlas v8.9.0 from the Austrian Centre for Digital Humanities a

References

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