CVE•Published 2026-06-16•Modified 2026-07-15•1 article on news•4 live references•NVD data
CVE-2026-12295Mozilla · Firefox
Vulnerability data via NVD (ingested)
CVSS v3.1
9.6
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS percentile
31
Exploit Prediction Scoring System · top 69% of all CVEs
Weaknesses (CWE)
Description
Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
Timeline
Published 2026-06-16
Modified 2026-07-15
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-12295Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Mozilla Firefox"All exposed Mozilla Firefox instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Firefox"HTTP body or banner mentions "Firefox" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-12295Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-12295Censys host search filtered to this CVE id.
grep.app
CVE-2026-12295Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-12295GitHub code search for direct mentions.
Google dork
"CVE-2026-12295" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (5)
CVE-2026-122955 repos
nomi-sec/PoC-in-GitHubunknown
📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.
cnlinxi/LLM-paper-dailyPython
Automatically Update LLM Papers Daily using Github Actions. Ref: https://github.com/Vincentqyw/cv-arxiv-daily
SneakyNachos/CVE-2026-4692-trust-me-im-in-rdmHTML
Firefox BrowsingContext field-sync authz bypass (N-day, bug 2017643): forged PContent::CommitBrowsingContextTransaction sets InRDMPane=true from a compromised content process - par…
SneakyNachos/CVE-2026-12295-UXXS-in-my-wasmPython
Firefox content->parent srcdoc forge (N-day, bug 2040160): forged PDocumentChannel with SrcdocData on a non-about:srcdoc URI -> attacker HTML served at victim origin (UXSS), via mo…
cmivqa/ro-arxiv-dailyPython
Automatically Update Arxiv Papers Daily using Github Actions (Update Every 8th hours)