CVE-2026-47309: Uncontrolled Recursion vulnerability in Samsung Open Source Escargot allows Oversized Serialized Data Payloads

Routine

MEDIUM 5.5DOWNGRADE

CVE-2026-47309 is a medium-severity flaw (CVSS 5.5) affecting escargot. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Uncontrolled Recursion vulnerability in Samsung Open Source Escargot allows Oversized Serialized Data Payloads. This issue affects Escargot: 590345cc6258317c5da850d846ce6baaf2afc2d3.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 82%)
CISA exploited list	No
Weakness	CWE-674
Published	2026-05-19
Last modified	2026-07-24

Publisher (CNA): Samsung TV & Appliance · Vendor: samsung

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-19 07:16 UTCPublished CVE record published
2026-07-24 12:10 UTCUpdated Record last modified

samsung escargot DOWNGRADE

Affected: 2026-05-14

Fixed in: no fixed release known

Safe to downgrade to: a release before 2026-05-14

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2026-05-14 (Debian / Ubuntu)

apt-cache madison escargot sudo apt install escargot=<VERSION_BEFORE_2026-05-14> sudo apt-mark hold escargot

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

dnf --showduplicates list escargot sudo dnf downgrade escargot-<VERSION_BEFORE_2026-05-14> sudo dnf versionlock add escargot

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-2026-47309?

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

Is CVE-2026-47309 being exploited?

CVE-2026-47309 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-2026-47309 affect?

CVE-2026-47309 affects escargot. Severity is medium (CVSS 5.5). Uncontrolled Recursion vulnerability in Samsung Open Source Escargot allows Oversized Serialized Data Payloads. This issue affects Escargot: 590345cc6258317c5da850d846ce6baaf2afc2d3.

How urgent is CVE-2026-47309?

Priority 24/100. No elevated risk signals yet.

Software pages

Samsung vulnerabilities

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References

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