Is apostrophe affected by CVE-2026-33877?

npm apostrophe is affected in <4.29.0.

Is CVE-2026-33877 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

low

CVE-2026-33877

Q: Is CVE-2026-33877 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

npm · apostrophe

Summary

ApostropheCMS: User Enumeration via Timing Side Channel in Password Reset Endpoint

Severity: low
EPSS: 0.4% (p28)
Also known as: GHSA-mj7r-x3h3-7rmr
Published: 2026-04-16

References

https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-mj7r-x3h3-7rmr
https://nvd.nist.gov/vuln/detail/CVE-2026-33877
https://github.com/apostrophecms/apostrophe/commit/e266cffd8c0d331a9b05c92bf11616556efcdc77

Related advisories

CVE-2026-45013 — high · npm/apostrophe
CVE-2026-45012 — high · npm/apostrophe
CVE-2026-35569 — high · npm/apostrophe
CVE-2026-39857 — medium · npm/apostrophe
CVE-2026-33889 — medium · npm/apostrophe
CVE-2026-33888 — medium · npm/apostrophe

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.