CVE-2025-63811
HIGHCVSS 7.5/10EPSS 0.24%
Last modified
CVE-2025-63811 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in dvsekhvalnov jose2go 1.5.0 thru 1.7.0 allowing an attacker to cause a Denial-of-Service (DoS) via crafted JSON Web Encryption (JWE) token with an exceptionally high compression ratio.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
Description
An issue was discovered in dvsekhvalnov jose2go 1.5.0 thru 1.7.0 allowing an attacker to cause a Denial-of-Service (DoS) via crafted JSON Web Encryption (JWE) token with an exceptionally high compression ratio.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Dvsekhvalnov | Jose2go | >= 1.5.0, < 1.7.0 |
References
- https://github.com/dvsekhvalnov/jose2go/issues/33Exploit, Issue Tracking, Mitigation
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-63811?
An issue was discovered in dvsekhvalnov jose2go 1.5.0 thru 1.7.0 allowing an attacker to cause a Denial-of-Service (DoS) via crafted JSON Web Encryption (JWE) token with an exceptionally high compression ratio.
How severe is CVE-2025-63811?
CVE-2025-63811 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.
How do I fix CVE-2025-63811?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-63785A DOM-based Cross-Site Scripting (XSS) vulnerability exists …6.1
- CVE-2025-6379The BeeTeam368 Extensions Pro plugin for WordPress is vulner…8.8
- CVE-2025-6380The ONLYOFFICE Docs plugin for WordPress is vulnerable to Pr…9.8
- CVE-2025-63800The password change endpoint in Open Source Point of Sale 3.…7.5
- CVE-2025-63807An issue was discovered in weijiang1994 university-bbs (aka …9.8
- CVE-2025-6381The BeeTeam368 Extensions plugin for WordPress is vulnerable…8.8
- CVE-2025-6382The Taeggie Feed plugin for WordPress is vulnerable to Store…6.4
- CVE-2025-63822SirenGPS Android Application 2.19.44 is vulnerable to Incorr…8.1
- CVE-2025-63823My Safetipin Android Application 5.2.1 contains Hardcoded cr…9.8
- CVE-2025-63828Host Header Injection vulnerability in Backdrop CMS 1.32.1 a…6.1
- CVE-2025-63829eProsima Fast-DDS v3.3 and before has an infinite loop vulne…7.5
- CVE-2025-6383The WP-PhotoNav plugin for WordPress is vulnerable to Stored…5.4
Are you affected by CVE-2025-63811?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST