Medium severity4.3NVD Advisory· Published Jun 24, 2026· Updated Jun 26, 2026
CVE-2026-56761
CVE-2026-56761
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
hononpm | < 4.12.14 | 4.12.14 |
Affected products
15- osv-coords13 versionspkg:apk/chainguard/honopkg:apk/chainguard/hono-clipkg:apk/chainguard/hono-compatpkg:apk/chainguard/hono-service-command-routerpkg:apk/chainguard/hono-service-device-registry-jdbcpkg:apk/chainguard/kibana-9.2pkg:apk/chainguard/kibana-9.3pkg:apk/chainguard/kibana-9.3-iamguardedpkg:apk/chainguard/langfuse-3-workerpkg:apk/chainguard/langfuse-fips-3-workerpkg:apk/chainguard/librechatpkg:apk/chainguard/wazuh-dashboardpkg:apk/wolfi/langfuse-3-worker
< 0+ 12 more
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 9.2.7-r5
- (no CPE)range: < 9.3.3-r4
- (no CPE)range: < 9.3.3-r4
- (no CPE)range: < 3.164.0-r5
- (no CPE)range: < 3.164.0-r3
- (no CPE)range: < 0.8.4-r5
- (no CPE)range: < 4.14.4-r3
- (no CPE)range: < 3.164.0-r5
Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-458j-xx4x-4375ghsaADVISORY
- github.com/honojs/hono/security/advisories/GHSA-458j-xx4x-4375nvdVendor AdvisoryWEB
- www.vulncheck.com/advisories/hono-html-injection-via-improper-jsx-attribute-name-handling-in-ssrnvdThird Party Advisory
News mentions
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