CVE-2023-24622: isInList in the safeurl-python package before 1.2 for Python has an insufficiently restrictive regular express

This week

MEDIUM 5.3REMOTEDOWNGRADE

CVE-2023-24622 is a medium-severity flaw (CVSS 5.3) affecting safeurl-python. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

isInList in the safeurl-python package before 1.2 for Python has an insufficiently restrictive regular expression for external domains, leading to SSRF.

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-918
Published	2023-01-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: includesecurity

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

Am I affected?

Timeline

2023-01-30 05:15 UTCPublished CVE record published
2026-06-17 05:39 UTCUpdated Record last modified

includesecurity safeurl-python DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy safeurl-python || rpm -q safeurl-python || safeurl-python --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison safeurl-python sudo apt install safeurl-python=<VERSION_BEFORE_1.0> sudo apt-mark hold safeurl-python

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list safeurl-python sudo dnf downgrade safeurl-python-<VERSION_BEFORE_1.0> sudo dnf versionlock add safeurl-python

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2023-24622?

safeurl-python: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-24622 being exploited?

CVE-2023-24622 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-2023-24622 affect?

CVE-2023-24622 affects safeurl-python. Severity is medium (CVSS 5.3). isInList in the safeurl-python package before 1.2 for Python has an insufficiently restrictive regular expression for external domains, leading to SSRF.

How urgent is CVE-2023-24622?

Priority 40/100. Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Python vulnerabilities

References

← Back to latest CVEs