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CVE-2026-109619 has been identified in the supplied source material as an actively exploited PHP vulnerability and associated with CISA’s Known Exploited Vulnerabilities catalog. The notice describes a stale internal request-state flaw that could allow unauthenticated remote code execution, but provides no affected versions, patch details, exploitation evidence or remediation deadline.
CVE-2026-109619, described in the supplied notice as a stale internal request-state vulnerability in PHP, is reported as actively exploited and listed in the U.S. Cybersecurity and Infrastructure Security Agency’s Known Exploited Vulnerabilities catalog. The notice says the flaw can permit unauthenticated remote code execution, but does not identify affected PHP versions, a patch or technical evidence of exploitation.
The source describes the issue as involving stale internal request state in PHP. It characterizes the potential consequence as remote code execution without authentication, meaning a vulnerable system could face code execution by a remote party without that party first signing in. The notice does not explain the conditions required to trigger the flaw or identify which PHP configurations are exposed.
The material associates the vulnerability with CISA’s KEV catalog, a list of vulnerabilities the agency identifies as known to be exploited in the wild. It also advises applying mitigations according to vendor instructions and says organizations should ensure compliance with “CI.” The source does not define that abbreviation or specify a particular mitigation, software release, or compliance requirement.
No PHP Group advisory, CISA entry date, exploitation campaign, affected product range, or fixed version is included in the supplied information. Those details cannot be confirmed from this notice alone. Administrators should consult current guidance from PHP’s maintainers and CISA before deciding which systems are affected or what remediation to deploy.
Potential Remote Code Execution Risk
If the description is accurate, unauthenticated remote code execution could put exposed PHP systems at risk without an attacker needing valid user credentials. The potential impact depends on the vulnerable component, the application’s configuration and the permissions available to the affected process; the supplied notice provides no details to establish those conditions.
The reported active-exploitation status makes verification time-sensitive for organizations that operate PHP applications. KEV inclusion is a signal for defenders to check authoritative advisories and inventory potentially affected systems, not a substitute for confirming whether a particular deployment is vulnerable. No incident count, confirmed victim, or exploit method is provided here.
Because the notice omits version and patch information, organizations should avoid guessing at exposure or applying unverified fixes. They can use vendor and CISA guidance to identify relevant releases, assess whether their installations match the affected range, and follow any stated mitigation or remediation schedule. The current material does not supply a deadline.
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What the Notice Establishes
The supplied report makes two central assertions: that CVE-2026-109619 concerns PHP internal request state, and that the vulnerability is actively exploited and associated with CISA’s KEV list. It further characterizes the potential outcome as remote code execution without authentication. These are the claims available for this article; the source does not reproduce an advisory or provide supporting technical documentation.
A KEV listing is relevant to security teams because it identifies vulnerabilities CISA says have evidence of exploitation. However, the source excerpt gives no publication date, catalog record, or due date. It also does not establish which PHP branches or deployments are affected. Readers should treat the listing and impact description as reported information pending confirmation against the catalog and PHP Group’s own notices.
The wording “ensure compliance with CI” appears in the source’s mitigation advice, but its meaning is not explained. It may refer to a particular policy or process, yet the supplied material does not establish that. No additional interpretation should be treated as an official requirement.
““PHP contains a stale internal request-state vulnerability that allows for unauthenticated remote code execution.””
— Supplied vulnerability notice
Affected Releases Still Unspecified
The supplied material does not identify affected PHP versions, the vulnerable component, fixed releases, or whether particular configurations are required for exploitation. It also provides no exploit details, incident reports, indicators of compromise, or description of how the reported activity was verified. The active-exploitation statement is therefore attributed to the source notice rather than independently substantiated here.
It is also unclear when the vulnerability was added to CISA’s KEV catalog, whether the catalog entry contains a remediation deadline, and what “CI” means in the mitigation instruction. The source does not include a link to a PHP Group advisory or a CISA record. Until those details are checked against primary documentation, the precise scope and practical remediation steps remain unsettled.
Check Vendor and CISA Advisories
PHP administrators and security teams should check the PHP Group’s current security guidance and CISA’s KEV entry for CVE-2026-109619. Those primary sources should establish whether installed versions are affected, whether a corrected release is available, and whether CISA specifies a mitigation or deadline. The notice supplied here does not state when further information will be published.
Once authoritative details are available, organizations can compare them with their software inventories, prioritize systems confirmed to be in scope, and follow the vendor’s documented remediation instructions. Any temporary mitigation should likewise come from official guidance rather than assumptions based on the vulnerability’s short description. The next confirmed milestone is the publication or verification of a detailed advisory that clarifies affected releases and remediation.
Key Questions
What is CVE-2026-109619?
The supplied notice describes it as a stale internal request-state vulnerability in PHP that may allow unauthenticated remote code execution. It does not provide a technical advisory or identify affected PHP releases.
Is the vulnerability being exploited?
The source reports that it is actively exploited and associates it with CISA’s KEV catalog. The material provided here does not include evidence, incident details, or a catalog date to independently verify that claim.
Which PHP versions are affected?
The supplied information does not specify affected versions or configurations. Check PHP Group security advisories and the CISA catalog entry before determining whether a system is vulnerable.
What should PHP administrators do now?
Consult official vendor instructions and CISA’s entry for the CVE, then compare the confirmed affected range with deployed PHP versions. The source does not name a patch, mitigation or remediation deadline.
What does the notice mean by “CI”?
It says to apply vendor mitigations while ensuring compliance with “CI,” but does not define the abbreviation. The intended requirement cannot be established from the supplied material.
Source: kev
