CVE-2017-0906: The Recurly Client Python Library before 2.0.5, 2.1.16, 2.2.22, 2.3.1, 2.4.5, 2.5.1, 2.6.2 is vulnerable to a

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CRITICAL 9.8REMOTEUPGRADE

CVE-2017-0906 is a critical-severity flaw (CVSS 9.8) affecting recurly client python. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Recurly Client Python Library before 2.0.5, 2.1.16, 2.2.22, 2.3.1, 2.4.5, 2.5.1, 2.6.2 is vulnerable to a Server-Side Request Forgery vulnerability in the "Resource.get" method that could result in compromise of API keys or other critical resources.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.6% (top 15%)
CISA exploited list	No
Weakness	CWE-918
Published	2017-11-13
Last modified	2026-06-17

Publisher (CNA): HackerOne · Vendor: recurly

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

Am I affected?

Timeline

2017-11-13 17:29 UTCPublished CVE record published
2026-06-17 00:58 UTCUpdated Record last modified

recurly recurly client python UPGRADE

Affected: >= 2.0.0 and <= 2.0.4 · >= 2.1.0 and <= 2.1.15 · >= 2.2.0 and <= 2.2.21 · 2.3.0 · >= 2.4.0 and <= 2.4.4 · 2.5.0 · 2.6.0 · 2.6.1

Fixed in: newer than 2.4.4

Safe to downgrade to: a release before 2.0.0

1. Check installed version

apt-cache policy recurly-client-python || rpm -q recurly-client-python || recurly-client-python --version

2. UPGRADE to newer than 2.4.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade recurly-client-python

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade recurly-client-python

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 2.0.0 (Debian / Ubuntu)

apt-cache madison recurly-client-python sudo apt install recurly-client-python=<VERSION_BEFORE_2.0.0> sudo apt-mark hold recurly-client-python

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list recurly-client-python sudo dnf downgrade recurly-client-python-<VERSION_BEFORE_2.0.0> sudo dnf versionlock add recurly-client-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-2017-0906?

recurly client python: upgrade to newer than 2.4.4. Exact commands for each OS are on this page.

Is CVE-2017-0906 being exploited?

CVE-2017-0906 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-2017-0906 affect?

CVE-2017-0906 affects recurly client python. Severity is critical (CVSS 9.8). The Recurly Client Python Library before 2.0.5, 2.1.16, 2.2.22, 2.3.1, 2.4.5, 2.5.1, 2.6.2 is vulnerable to a Server-Side Request Forgery vulnerability in the "Resource.get" method that could result in compromise of API keys or other critic

How urgent is CVE-2017-0906?

Priority 61/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Python vulnerabilities

References

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