CVE-2022-26198: Notable v1.8.4 does not filter text editing, allowing attackers to execute arbitrary code via a crafted payloa

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2022-26198 is a critical-severity flaw (CVSS 9.8) affecting notable. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Notable v1.8.4 does not filter text editing, allowing attackers to execute arbitrary code via a crafted payload injected into the Title text field.

Why this priority

Critical severity
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	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Published	2022-03-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: notable

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

Am I affected?

Timeline

2022-03-27 00:15 UTCPublished CVE record published
2026-06-17 04:34 UTCUpdated Record last modified

notable notable DOWNGRADE

Affected: 1.8.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.8.4

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.8.4 (Debian / Ubuntu)

apt-cache madison notable sudo apt install notable=<VERSION_BEFORE_1.8.4> sudo apt-mark hold notable

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

dnf --showduplicates list notable sudo dnf downgrade notable-<VERSION_BEFORE_1.8.4> sudo dnf versionlock add notable

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-2022-26198?

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

Is CVE-2022-26198 being exploited?

CVE-2022-26198 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-2022-26198 affect?

CVE-2022-26198 affects notable. Severity is critical (CVSS 9.8). Notable v1.8.4 does not filter text editing, allowing attackers to execute arbitrary code via a crafted payload injected into the Title text field.

How urgent is CVE-2022-26198?

Priority 64/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

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References

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