CVE-2022-3959: A vulnerability, which was classified as problematic, has been found in drogon up to 1.8.1

Q: How do I fix CVE-2022-3959?

drogon: upgrade to 1.8.2. Exact commands for each OS are on this page.

Q: Is CVE-2022-3959 being exploited?

CVE-2022-3959 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-2022-3959 affect?

CVE-2022-3959 affects drogon. Severity is low (CVSS 3.1). A vulnerability, which was classified as problematic, has been found in drogon up to 1.8.1. Affected by this issue is some unknown functionality of the component Session Hash Handler. The manipulation leads to small space of random values.

Q: How urgent is CVE-2022-3959?

Priority 27/100. No elevated risk signals yet.

Routine

LOW 3.1UPGRADE

CVE-2022-3959 is a low-severity flaw (CVSS 3.1) affecting drogon. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as problematic, has been found in drogon up to 1.8.1. Affected by this issue is some unknown functionality of the component Session Hash Handler. The manipulation leads to small space of random values. The attack may be launched remotely. Upgrading to version 1.8.2 is able to address this issue. The name of the patch is c0d48da99f66aaada17bcd28b07741cac8697647. It is recommended to upgrade the affected compon

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	3.1 (Low)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-330
Published	2022-11-11
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: drogon

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

Am I affected?

Timeline

2022-11-11 16:15 UTCPublished CVE record published
2026-06-17 05:00 UTCUpdated Record last modified

drogon drogon UPGRADE

Affected: < 1.8.2

Fixed in: 1.8.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 1.8.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade drogon

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-2022-3959?

drogon: upgrade to 1.8.2. Exact commands for each OS are on this page.

Is CVE-2022-3959 being exploited?

CVE-2022-3959 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-2022-3959 affect?

CVE-2022-3959 affects drogon. Severity is low (CVSS 3.1). A vulnerability, which was classified as problematic, has been found in drogon up to 1.8.1. Affected by this issue is some unknown functionality of the component Session Hash Handler. The manipulation leads to small space of random values.

How urgent is CVE-2022-3959?

Priority 27/100. No elevated risk signals yet.

Related CVEs

CVE-2023-26138 MEDIUM 5.4 MITIGATE All versions of the package drogonframework/drogon are vulnerable to CRLF Injection when untrusted user input
CVE-2023-26137 HIGH 7.2 MITIGATE All versions of the package drogonframework/drogon are vulnerable to HTTP Response Splitting when untrusted us

References

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