CRITICALVulnerability

CVE-2026-77647

SPIP before 4.4.20 allows unauthenticated remote attackers to execute arbitrary code, as exploited in the wild in August 2026. This is related to incorrect identification of <?php blocks, and var_export's mishandling of certain cases such as presence of a '<' character.

Properties

severity
CRITICAL
score
9.8
epss_score
0.0262
cve_id
CVE-2026-77647
vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
published_at
2026-08-20T23:16:28.647
last_modified
2026-09-08T19:29:09.680
epss_percentile
0.84462

Related Entities (3)

ENRICHED_BY (1)

[Source]FIRST EPSS

HAS_WEAKNESS (1)

[Weakness]Improper Control of Generation of Code ('Code Injection')

DESCRIBED_BY (1)

[Source]NVD

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CVE-2026-77647 — Ninja Signal Threat Intelligence | Ninja Signal