How severe is CVE-2009-1149?

No CVSS score has been assigned to CVE-2009-1149 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by CVE-2009-1149?

CVE-2009-1149 affects the following packages: phpmyadmin/phpmyadmin (Packagist). Ecosystems affected: Packagist.

How do I fix CVE-2009-1149?

Update phpmyadmin/phpmyadmin to 3.1.3.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2009-1149 is resolved across your whole dependency graph.

How do I detect CVE-2009-1149 in my Packagist dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for phpmyadmin/phpmyadmin, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2009-1149 if there is no patch (or I can't update yet)?

If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Is CVE-2009-1149 actively exploited in the wild?

No public exploit code has been indexed for CVE-2009-1149 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2009-1149?

CVE-2009-1149 has an EPSS (Exploit Prediction Scoring System) score of 1.4%, placing it in the 73th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2009-1149?

CVE-2009-1149 is classified as Improper Input Validation (CWE-20). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was CVE-2009-1149 published, and has it been updated?

CVE-2009-1149 was published on March 26, 2009 and was last updated on April 10, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐘 Packagist

Not in CISA KEV

CVE-2009-1149 — phpmyadmin

Fix: phpmyadmin/phpmyadmin@69bfbf1

CVE-2009-1149 is a Improper Input Validation vulnerability in phpmyadmin/phpmyadmin. A fix is available for phpmyadmin/phpmyadmin — see the affected versions and patch details below.

phpMyAdmin HTTP Response Splitting Vulnerability

Also known asGHSA-xrpq-63mp-9vcw

Published

Mar 26, 2009

Updated

Apr 10, 2026

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of Nov 6, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

1.4%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs73th percentile — riskier than 73% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

Real-World Exposure

1 pkg affected

🐘phpmyadmin/phpmyadmin

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

CRLF injection vulnerability in bs_disp_as_mime_type.php in the BLOB streaming feature in phpMyAdmin before 3.1.3.1 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the (1) c_type and possibly (2) file_type parameters.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐘Packagist	`phpmyadmin/phpmyadmin`	all versions	3.1.3.1`composer require phpmyadmin/phpmyadmin:^3.1.3.1`

Affected Products

1 product · 8 configurations

Application

phpmyadminphpmyadmin

≤ 3.1.3

5 versions

3.1.03.1.0.03.1.13.1.23.1.3

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for phpmyadmin/phpmyadmin, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update phpmyadmin/phpmyadmin to 3.1.3.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2009-1149 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

O3 Security · Impact-Aware SCA

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