CVE-2023-26267

MEDIUMNVD 6.56.5—

6.5

php-saml-sp before 1.1.1 and 2.x before 2.1.1 allows reading arbitrary files as the webserver user because resolving XML external entities was silently enabled via \LIBXML_DTDLOAD | \LIBXML_DTDATTR.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 42.9%
KEV: Not listed

Published

February 21, 2023

Last Modified

March 14, 2025

References (4)

cve@mitrehttps://git.sr.ht/~fkooman/php-saml-sp/commit/851f75b298a77e62d9022f1b170f662f5f7716d6
cve@mitrehttps://git.sr.ht/~fkooman/php-saml-sp/log
af854a3a-2127-422b-91ae-364da2661108https://git.sr.ht/~fkooman/php-saml-sp/commit/851f75b298a77e62d9022f1b170f662f5f7716d6
af854a3a-2127-422b-91ae-364da2661108https://git.sr.ht/~fkooman/php-saml-sp/log

Weakness Classification(1)

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

CWE-611Improper Restriction of XML External Entity Reference (XXE)

Data Freshness Timeline

(refreshed 13× 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 13:11 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
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2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2023-26267?

CVE-2023-26267 is a medium vulnerability published on February 21, 2023. php-saml-sp before 1.1.1 and 2.x before 2.1.1 allows reading arbitrary files as the webserver user because resolving XML external entities was silently enabled via \LIBXMLDTDLOAD | \LIBXMLDTDATTR.

When was CVE-2023-26267 disclosed?

CVE-2023-26267 was first published in the National Vulnerability Database on February 21, 2023, with the most recent update on March 14, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-26267 actively exploited?

CVE-2023-26267 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 42.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-26267?

CVE-2023-26267 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2023-26267?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-26267, 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

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CVE-2023-26267

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-26267?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (4)

Frequently asked(5)

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