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CVE-2022-31565: The yogson/syrabond repository through 2020-05-25 on GitHub allows absolute path traversal because the Flask s

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CRITICAL 9.3REMOTEUPGRADE

CVE-2022-31565 is a critical-severity flaw (CVSS 9.3) affecting syrabond. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The yogson/syrabond repository through 2020-05-25 on GitHub allows absolute path traversal because the Flask send_file function is used unsafely.

Why this priority

  • Critical severity
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score9.3 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance1.2% (top 31%)
CISA exploited listNo
WeaknessCWE-22
Published2022-07-11
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: syrabond project

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

Am I affected?

Timeline

syrabond project syrabond UPGRADE
Affected: <= 2020-05-25
Fixed in: newer than 2020-05-25
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy syrabond || rpm -q syrabond || syrabond --version
2. UPGRADE to newer than 2020-05-25 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade syrabond
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade syrabond
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-2022-31565?

syrabond: upgrade to newer than 2020-05-25. Exact commands for each OS are on this page.

Is CVE-2022-31565 being exploited?

CVE-2022-31565 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-2022-31565 affect?

CVE-2022-31565 affects syrabond. Severity is critical (CVSS 9.3). The yogson/syrabond repository through 2020-05-25 on GitHub allows absolute path traversal because the Flask send_file function is used unsafely.

How urgent is CVE-2022-31565?

Priority 55/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

GitHub vulnerabilities · Flask vulnerabilities

References

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