CVE-2022-26260: Simple-Plist v1.3.0 was discovered to contain a prototype pollution vulnerability via .parse().

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2022-26260 is a critical-severity flaw (CVSS 9.8) affecting simple-plist. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Simple-Plist v1.3.0 was discovered to contain a prototype pollution vulnerability via .parse().

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	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-1321
Published	2022-03-22
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: simple-plist project

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

Am I affected?

Timeline

2022-03-22 19:15 UTCPublished CVE record published
2026-06-17 04:34 UTCUpdated Record last modified

simple-plist project simple-plist DOWNGRADE

Affected: 1.3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3.0

1. Check installed version

apt-cache policy simple-plist || rpm -q simple-plist || simple-plist --version

2. No fixed release: DOWNGRADE to a release before 1.3.0 (Debian / Ubuntu)

apt-cache madison simple-plist sudo apt install simple-plist=<VERSION_BEFORE_1.3.0> sudo apt-mark hold simple-plist

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

dnf --showduplicates list simple-plist sudo dnf downgrade simple-plist-<VERSION_BEFORE_1.3.0> sudo dnf versionlock add simple-plist

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-2022-26260?

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

Is CVE-2022-26260 being exploited?

CVE-2022-26260 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-2022-26260 affect?

CVE-2022-26260 affects simple-plist. Severity is critical (CVSS 9.8). Simple-Plist v1.3.0 was discovered to contain a prototype pollution vulnerability via .parse().

How urgent is CVE-2022-26260?

Priority 62/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

← Back to latest CVEs