How severe is CVE-2026-54908?

No CVSS score has been assigned to CVE-2026-54908 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by CVE-2026-54908?

CVE-2026-54908 affects the following packages: github.com/pion/dtls/v3 (Go). Ecosystems affected: Go.

How do I fix CVE-2026-54908?

Update github.com/pion/dtls/v3 to 3.1.4 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2026-54908 is resolved across your whole dependency graph.

How do I detect CVE-2026-54908 in my Go dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/pion/dtls/v3, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2026-54908 if there is no patch (or I can't update yet)?

Stop feeding it untrusted input: reject or quarantine files and payloads from unverified sources until you can upgrade, restrict accepted formats to the ones you actually need, and run the parsing or decoding step in a least-privileged sandbox or short-lived worker so a crash or corrupted read cannot reach the rest of the process.

Is CVE-2026-54908 actively exploited in the wild?

No public exploit code has been indexed for CVE-2026-54908 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2026-54908?

CVE-2026-54908 has an EPSS (Exploit Prediction Scoring System) score of 0.5%, placing it in the 46th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2026-54908?

CVE-2026-54908 is classified as Out-of-bounds Read (CWE-125), CWE-248 (CWE-248). These weakness types describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was CVE-2026-54908 published, and has it been updated?

CVE-2026-54908 was published on July 1, 2026 and was last updated on October 28, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐹 Go

Not in CISA KEV

CVE-2026-54908 — dtls

Fix: pion/dtls#839

CVE-2026-54908 is a Out-of-bounds Read vulnerability in github.com/pion/dtls/v3. A fix is available for github.com/pion/dtls/v3 — see the affected versions and patch details below.

Pion DTLS: Denial of service via panic while parsing a crafted ECDHE_PSK ServerKeyExchange message

Also known asGHSA-wg4g-wm44-ch5jGO-2026-6165

Published

Jul 1, 2026

Updated

Oct 28, 2026

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of Oct 30, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2026-54908.

EPSS Exploitation Probability

via FIRST.org ↗

0.5%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs46th percentile — riskier than 46% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

Real-World Exposure

1 pkg affected

🐹github.com/pion/dtls/v3

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.

Description

Impact

Remote denial of service via panic while parsing a crafted ECDHE_PSK ServerKeyExchange message.

Patches

Upgrade to v3.1.4 or later. This version includes this patch https://github.com/pion/dtls/pull/839 which fixes the issue.

Workarounds

No work around; please upgrade to v3.1.4 or a newer version.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐹Go	`github.com/pion/dtls/v3`	all versions	3.1.4`go get github.com/pion/dtls/v3@v3.1.4`

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/pion/dtls/v3, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update github.com/pion/dtls/v3 to 3.1.4 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2026-54908 is resolved across your whole dependency graph.
Workarounds
Stop feeding it untrusted input: reject or quarantine files and payloads from unverified sources until you can upgrade, restrict accepted formats to the ones you actually need, and run the parsing or decoding step in a least-privileged sandbox or short-lived worker so a crash or corrupted read cannot reach the rest of the process.

Frequently Asked Questions

### Impact Remote denial of service via panic while parsing a crafted ECDHE_PSK ServerKeyExchange message. ### Patches Upgrade to v3.1.4 or later. This version includes this patch https://github.com/pion/dtls/pull/839 which fixes the issue. ### Workarounds No work around; please upgrade to v3.1.4 or a newer version.

O3 Security · Impact-Aware SCA

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