CVE-2026-56761
Last modified
CVE-2026-56761 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. hono before 4.12.14 contains an html injection vulnerability in jsx server-side rendering that allows attackers to inject unintended html by using malformed attribute names. Attackers can craft specially crafted attribute keys containing characters like quotes or angle brackets to break html tag boundaries and inject arbitrary attributes or elements.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.
Description
hono before 4.12.14 contains an html injection vulnerability in jsx server-side rendering that allows attackers to inject unintended html by using malformed attribute names. Attackers can craft specially crafted attribute keys containing characters like quotes or angle brackets to break html tag boundaries and inject arbitrary attributes or elements.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Hono | Hono | < 4.12.14 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-56761?
How severe is CVE-2026-56761?
How do I fix CVE-2026-56761?
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 2026
- CVE-2026-56746Netty is a network application framework for development of …6.5
- CVE-2026-56747Improper control of generation of code in the JSON Pointer-t…8.8
- CVE-2026-56748Improper validation of symbolic links in the Pack Git import…8.8
- CVE-2026-5675A vulnerability was found in itsourcecode Construction Manag…6.3
- CVE-2026-56758The ACSE layer contains a flaw in the processing of AARQ PDU…6.9
- CVE-2026-5676A vulnerability was identified in Totolink A8000R 5.9c.681_B…7.3
- CVE-2026-56762Hono before 4.12.12 does not validate cookie names on the wr…6.9
- CVE-2026-56763Hono before 4.12.7 allows __proto__ key in parseBody with do…6.3
- CVE-2026-56764Hono before 4.11.10 contains a timing attack vulnerability i…6.3
- CVE-2026-56765Vikunja before 2.2.1 contains an authorization flaw where th…9.8
- CVE-2026-56766Hydra through 9.7, fixed in commit 9cc84c2, contains a stack…8.8
- CVE-2026-56767Maxun before 0.0.42 contains a cross-tenant insecure direct …8.8
Are you affected by CVE-2026-56761?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST