CVE-2026-5263Disclosure(wolfssl / wolfssl)

LOWCVSS 6.5 · MEDIUM

Signal is active with 3 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

URI nameConstraints from constrained intermediate CAs are parsed but not enforced during certificate chain verification in wolfcrypt/src/asn.c. A compromised or malicious sub-CA could issue leaf certificates with URI SAN entries that violate the nameConstraints of the issuing CA, and wolfSSL would accept them as valid.

wolfssl CVEs Back to dashboard

0.0/ 10 priority

Sources & remediation

Patch / fix

https://github.com/wolfSSL/wolfssl/pull/10048

Other references

https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2410

Weakness type (CWE)

CWE-295

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

wolfssl

Threat summary

3 mentions across 1 observed day

What's happening

Technical details provided in 3 signals
Disclosure: 3 classified signals
3 total mentions across 1 day

Affected systems

Vendors

wolfssl

Products

wolfssl

Deep dive

Activity timeline3 mentions / 1d

Signal classification1 categories

Disclosure

3100.0%

Referenced assets4 URLs

By indicator

Full discourse3 posts

CVE@CVEnew181d
Disclosure
CVE-2026-5263 URI nameConstraints from constrained intermediate CAs are parsed but not enforced during certificate chain verification in wolfcrypt/src/asn.c. A compromised or malicio… https://www.cve.org/CVERecord?id=CVE-2026-5263
Post summary
The text describes a vulnerability where URI nameConstraints are parsed but not enforced in wolfcrypt’s certificate chain verification, but no PoC, exploit, patch, or active exploitation is mentioned.
10000162
57.0K followersView on X
Infoflowcloud@infoflowcloud181d
Disclosure
🚨*CVE* CVE-2026-5263 URI nameConstraints from constrained intermediate CAs are parsed but not enforced during certificate chain verification in wolfcrypt/src/asn.c. A compromised or malicio… https://www.cve.org/CVERecord?id=CVE-2026-5263 ----- Traducción: CVE-2026-5263 Los… http://infoflow.cloud`
Post summary
The tweet announces the discovery of CVE‑2026‑5263, detailing a certificate chain verification flaw in wolfcrypt where URI nameConstraints are parsed but not enforced.
0000027
67 followersView on X
Vulmon Vulnerability Feed@VulmonFeeds181d
Disclosure
CVE-2026-5263 URI NameConstraints Enforcement Bypass in WolfSSL Certific... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-5263 Don't wait vulnerability scanning results: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=2
Post summary
The tweet announces CVE‑2026‑5263, a URI NameConstraints bypass in WolfSSL, and links to vulnerability details while encouraging vulnerability scanning.
0000057
4.0K followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	wolfssl	wolfssl	-	-	-

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