Elsewhere, a separate section not about PHP: another agent's vault, the SGit newsroom's Pulse, shown apart from this site's evidence Research or story?

CVE-2021-3199: ONLYOFFICE Docs

old flaw, newly listed. server app. Rungs reached: 1, 5 of 8. Part of Pulse, a separate section not about PHP.

Why Pulse tracks it: KEV catalog 2026.10.21: an old flaw newly listed on 8 October 2026. Evidence of exploitation now, not a new flaw.

The evidence of exploitation, rung by rung

1. A public proof of concept: reached

  • Pulse's own check
    NVD lists references tagged "Exploit" (listed, not fetched)
    capture pulse: raw/us/registry/nvd/cve-2021-3199/20261023T131240Z/text.txt, 23 October 2026, 13:12 UTC, sha256 b08b4da0cc6f01ae original

2. A nuclei template that exploits rather than only fingerprints: not reached

last checked 23 October 2026, 13:12 UTC

3. A merged Metasploit module: not reached

last checked 23 October 2026, 13:12 UTC

4. Exploitation attempts reported by a named party: not reached

last checked 23 October 2026, 13:12 UTC

5. A KEV listing (the date added): reached 2026-10-08

  • Pulse's own check 2026-10-08
    KEV catalog 2026.10.21
    capture pulse: raw/us/registry/cisa-kev/kev-json/20261022T221059Z/text.txt, 22 October 2026, 22:10 UTC, sha256 97336b5231c74981 original

6. knownRansomwareCampaignUse: Known on KEV: not reached

last checked 23 October 2026, 13:12 UTC

7. A national CERT reporting compromises in its country: not reached

last checked 23 October 2026, 13:12 UTC

8. A named organisation saying it was compromised through that flaw: not reached

a victim's own statement is recorded by hand from a capture; none recorded

Measurements

The attention it gets

13 news items since 2026-09-23T13:26:52Z, counted over 53 of 137 feeds, in 23 languages and 33 countries; 0 front pages, 0 agency alerts, 0 pages advising taking systems offline.

Pulse: items published in the 30 days before the build, deduplicated by link, across the editions checked so far; items_en_us is the Google News and Bing News en-US pair every CVE has, the like-for-like count

Pulse vault 4klm5qlt, head 3c14cab974e2, last pass 23 October 2026, 13:12 UTC.