CVE-2026-48736

unknown

Published 2026-05-26 · Modified —

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

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Description

CVE-2026-48736: IpUtils::PRIVATE_SUBNETS Omits IPv6 Transition Forms (6to4, NAT64, Teredo, IPv4-compatible): SSRF Bypass in NoPrivateNetworkHttpClient

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

Debian Mixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`6.4.41+dfsg-0+deb13u1`
sid	Fixed	`7.4.13+dfsg-1`
forky	Fixed	`7.4.13+dfsg-1`
bullseye	Affected	—
bookworm	Fixed	`5.4.53+dfsg-0+deb12u1`

Package impact

Ecosystem	Package	Vulnerable
Packagist	symfony/http-foundation	`>=6.4.0,<6.4.41\|>=7.0.0,<7.1.0\|>=7.1.0,<7.2.0\|>=7.2.0,<7.3.0\|>=7.3.0,<7.4.0\|>=7.4.0,<7.4.13\|>=8.0.0,<8.0.13`
Packagist	symfony/http-client	`>=5.4.0,<5.4.53`
Packagist	symfony/symfony	`>=5.4.0,<5.4.53\|>=6.4.0,<6.4.41\|>=7.0.0,<7.1.0\|>=7.1.0,<7.2.0\|>=7.2.0,<7.3.0\|>=7.3.0,<7.4.0\|>=7.4.0,<7.4.13\|>=8.0.0,<8.0.13`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.