CVE-2023-31890: An XML Deserialization vulnerability in glazedlists v1.11.0 allows an attacker to execute arbitrary code via t

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2023-31890 is a critical-severity flaw (CVSS 9.8) affecting glazed lists. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An XML Deserialization vulnerability in glazedlists v1.11.0 allows an attacker to execute arbitrary code via the BeanXMLByteCoder.decode() parameter.

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	1.0% (top 37%)
CISA exploited list	No
Weakness	CWE-502
Published	2023-05-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: glazedlists

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

Am I affected?

Timeline

2023-05-16 16:15 UTCPublished CVE record published
2026-06-17 05:57 UTCUpdated Record last modified

glazedlists glazed lists DOWNGRADE

Affected: 1.11.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.11.0

1. Check installed version

apt-cache policy glazed-lists || rpm -q glazed-lists || glazed-lists --version

2. No fixed release: DOWNGRADE to a release before 1.11.0 (Debian / Ubuntu)

apt-cache madison glazed-lists sudo apt install glazed-lists=<VERSION_BEFORE_1.11.0> sudo apt-mark hold glazed-lists

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

dnf --showduplicates list glazed-lists sudo dnf downgrade glazed-lists-<VERSION_BEFORE_1.11.0> sudo dnf versionlock add glazed-lists

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-2023-31890?

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

Is CVE-2023-31890 being exploited?

CVE-2023-31890 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-2023-31890 affect?

CVE-2023-31890 affects glazed lists. Severity is critical (CVSS 9.8). An XML Deserialization vulnerability in glazedlists v1.11.0 allows an attacker to execute arbitrary code via the BeanXMLByteCoder.decode() parameter.

How urgent is CVE-2023-31890?

Priority 60/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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