MEDIUMVulnerability
CVE-2026-79772
Nokogiri versions before 1.19.1 fail to check the return value from xmlC14NExecute in the canonicalize method, returning an empty string on failure instead of raising an exception. Attackers can exploit this to bypass signature validation in downstream SAML libraries by providing invalid canonicalized XML that is incorrectly accepted as valid.
Properties
- severity
- MEDIUM
- score
- 5.3
- epss_score
- 0.00246
- cve_id
- CVE-2026-79772
- vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- published_at
- 2026-08-25T16:17:28.743
- last_modified
- 2026-09-01T14:54:24.567
- epss_percentile
- 0.15769
Related Entities (4)
ENRICHED_BY (1)
→[Source]FIRST EPSS
AFFECTS_PRODUCT (1)
→[Product]
HAS_WEAKNESS (1)
→[Weakness]Unchecked Return Value
DESCRIBED_BY (1)
→[Source]NVD
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