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GHSA-vjf8-9fx6-mv6x

MediumCVSS 6.9 / 10
Published Aug 18, 2026·Last modified Aug 18, 2026
Affected Components(1)
crates.io logotriton-vm
0.42.0-alpha.4 – 4.0.0
Description

The instruction sponge_absorb_mem Triton VM fails to verify that hashed values come from the claimed memory location. Malicious provers can substitute arbitrary data instead of actual memory contents.

Any application using instruction sponge_absorb_mem to hash memory data can be given a proof for a forged hash that doesn't correspond to the actual memory. This breaks the security of memory-based commitments.

The flaw was corrected in commits 17c7ba0a and ef9d9e72 by including the appropriate constraints.

Risk Scores
Base Score
6.9

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability.

Threat Intelligence
2.7

Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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