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Fact · technical · reported

Patching the demonstrated paths does not make the bailout mechanism safe; more paths should be expected

Who says it: Fastly · Sources: Fastly oss-security

A position, from a vendor; consistent with the Fediverse report of a third bug.

Fact-check

A2 Reported opinion · Opinion · verdict: holds

Fastly's post says nearly these words; it is one vendor's position (a reading), so A2. The second cited source (the oss-security thread) does not carry it. 'Reported' fits.

Capture checkedResultWhat it sayssha256 of the text read
fastly-blog-php2shellcarriesPatching the specific paths that researchers demonstrated does not make the mechanism safe.bacf27615fe1180a
fastly-blog-php2shellcarriesExpect in-the-wild attacks and novel variants to emerge this week and next at minimum.bacf27615fe1180a
openwall-oss-security-109619-threadabsentWhile not yet fully confirmed, the Fediverse is reporting that the fix to at least PHP 8.5.12 may be incomplete:6a76141ae5a06584
github-php-src-fix-commit-3584a98bdpartial- Replace bailout on OOM with UnwindExit26bed812bcc7c89e

Open tickets: Contradiction-11, Evidence-7, Finding-54, Finding-55.

Graded in Run-1, resting on captures up to 2026-10-22 11:19 UTC. The scale is on the fact-check page.

This fact over time

  1. 2026-10-21Fastly publishes Fastly’s Proactive Protection for PHP2Shell, Critical PHP RCE CVE-2026-109618 and CVE-2026-109619 | Fastly
  2. 2026-10-21 15:24 UTCoss-security publishes Re: CVE-2026-109619 thread (21/16, 21/17, 21/23, 22/2)
  3. 2026-10-22 11:19 UTCSaved into the evidence vault: Fastly
  4. 2026-10-22Enters this site as reported in v0.2.0 (reconstructed from git)

Published: when the source says it was published. Saved: the first capture into the evidence vault. The rest are this site: the release in which the fact first appeared and every release that changed its wording, sources or status.

What it rests on

Fastly’s Proactive Protection for PHP2Shell, Critical PHP …Re: CVE-2026-109619 thread (21/16, 21/17, 21/23, 22/2)fact more-paths

Where this fact appears

In the briefings for:

And on every claim.

Every version of this fact

v1 · site v0.2.0 · 22 October 2026 · reported
Patching the demonstrated paths does not make the bailout mechanism safe; more paths should be expected
Who says it: Fastly
Status: reported
Topic: technical
Sources: fastly-blog-php2shell, openwall-oss-security-109619-thread