CVE-2016-9646

MEDIUMNVD 5.35.3—

5.3

ikiwiki before 3.20161229 incorrectly called the CGI::FormBuilder->field method (similar to the CGI->param API that led to Bugzilla's CVE-2014-1572), which can be abused to lead to commit metadata forgery.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 49.8%
KEV: Not listed

Published

April 13, 2018

Last Modified

November 21, 2024

References (8)

security@debianhttps://ikiwiki.info/security/#cve-2016-9646
security@debianhttps://marc.info/?l=oss-security&m=148304341511854&w=2
security@debianhttps://security-tracker.debian.org/tracker/CVE-2016-9646
security@debianhttps://www.debian.org/security/2017/dsa-3760
af854a3a-2127-422b-91ae-364da2661108https://ikiwiki.info/security/#cve-2016-9646
af854a3a-2127-422b-91ae-364da2661108https://marc.info/?l=oss-security&m=148304341511854&w=2
af854a3a-2127-422b-91ae-364da2661108https://security-tracker.debian.org/tracker/CVE-2016-9646
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2017/dsa-3760

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-287Improper Authentication

Data Freshness Timeline

(refreshed 9× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 09:16 UTCEG score recompute
2026-05-28 09:16 UTCGHSA enrichment
2026-05-27 16:35 UTCOSV refresh
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:44 UTCepss_batch

Frequently asked(5)

What is CVE-2016-9646?

CVE-2016-9646 is a medium vulnerability published on April 13, 2018. ikiwiki before 3.20161229 incorrectly called the CGI::FormBuilder->field method (similar to the CGI->param API that led to Bugzilla's CVE-2014-1572), which can be abused to lead to commit metadata forgery.

When was CVE-2016-9646 disclosed?

CVE-2016-9646 was first published in the National Vulnerability Database on April 13, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2016-9646 actively exploited?

CVE-2016-9646 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 49.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2016-9646?

CVE-2016-9646 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2016-9646?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-9646, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2016-9646

Explore →

Is Your Infrastructure Affected by CVE-2016-9646?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2016-9646

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2016-9646?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same CWE)